{"id":1976,"date":"2026-06-15T11:32:19","date_gmt":"2026-06-15T08:32:19","guid":{"rendered":"https:\/\/www.domainsorgulama.com\/blog\/?p=1976"},"modified":"2026-06-15T11:32:19","modified_gmt":"2026-06-15T08:32:19","slug":"cache-nedir","status":"publish","type":"post","link":"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/","title":{"rendered":"Cache Nedir? Web Sitesi Performans\u0131na Nas\u0131l Katk\u0131 Sa\u011flar?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Cache, daha \u00f6nce eri\u015filen verilerin ge\u00e7ici olarak saklanmas\u0131 ve sonraki isteklerde bu verilerin daha h\u0131zl\u0131 sunulmas\u0131 i\u00e7in kullan\u0131lan bir performans y\u00f6ntemidir. T\u00fcrk\u00e7ede genellikle \u201c\u00f6nbellek\u201d olarak ifade edilir. Web siteleri a\u00e7\u0131s\u0131ndan cache; g\u00f6rsellerin, CSS dosyalar\u0131n\u0131n, JavaScript dosyalar\u0131n\u0131n, HTML \u00e7\u0131kt\u0131lar\u0131n\u0131n, API yan\u0131tlar\u0131n\u0131n veya veritaban\u0131 sorgular\u0131n\u0131n belirli bir s\u00fcre saklanarak yeniden olu\u015fturulmadan kullan\u0131c\u0131ya sunulmas\u0131n\u0131 sa\u011flar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bir kullan\u0131c\u0131 bir web sitesini ziyaret etti\u011finde taray\u0131c\u0131, sunucu ve \u00e7e\u015fitli ara katmanlar bir\u00e7ok dosya ve veriyle \u00e7al\u0131\u015f\u0131r. Her istekte bu dosyalar\u0131n s\u0131f\u0131rdan indirilmesi veya her sayfan\u0131n sunucuda yeniden olu\u015fturulmas\u0131 performans\u0131 d\u00fc\u015f\u00fcrebilir. Cache mekanizmas\u0131, ayn\u0131 verilerin tekrar tekrar \u00fcretilmesini veya indirilmesini \u00f6nleyerek web sitesinin daha h\u0131zl\u0131 a\u00e7\u0131lmas\u0131na yard\u0131mc\u0131 olur.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu nedenle cache, web sitesi h\u0131z\u0131, kullan\u0131c\u0131 deneyimi, SEO, sunucu maliyeti ve d\u00f6n\u00fc\u015f\u00fcm oranlar\u0131 a\u00e7\u0131s\u0131ndan kritik bir teknik optimizasyon alan\u0131d\u0131r.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_78 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Nedir\" >Cache Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Ne_Ise_Yarar\" >Cache Ne \u0130\u015fe Yarar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Nasil_Calisir\" >Cache Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Web_Sitesi_Performansi_Icin_Cache_Neden_Onemlidir\" >Web Sitesi Performans\u0131 \u0130\u00e7in Cache Neden \u00d6nemlidir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Turleri_Nelerdir\" >Cache T\u00fcrleri Nelerdir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Browser_Cache_Nedir\" >Browser Cache Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Server-Side_Cache_Nedir\" >Server-Side Cache Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Page_Cache_Nedir\" >Page Cache Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Object_Cache_Nedir\" >Object Cache Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Database_Cache_Nedir\" >Database Cache Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#CDN_Cache_Nedir\" >CDN Cache Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Opcode_Cache_Nedir\" >Opcode Cache Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#DNS_Cache_Nedir\" >DNS Cache Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#API_Cache_Nedir\" >API Cache Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Web_Sitesi_Hizini_Nasil_Artirir\" >Cache Web Sitesi H\u0131z\u0131n\u0131 Nas\u0131l Art\u0131r\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_ve_Core_Web_Vitals_Iliskisi\" >Cache ve Core Web Vitals \u0130li\u015fkisi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_ve_SEO_Iliskisi\" >Cache ve SEO \u0130li\u015fkisi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Sunucu_Yukunu_Nasil_Azaltir\" >Cache Sunucu Y\u00fck\u00fcn\u00fc Nas\u0131l Azalt\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_E-Ticaret_Siteleri_Icin_Neden_Onemlidir\" >Cache E-Ticaret Siteleri \u0130\u00e7in Neden \u00d6nemlidir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Hangi_Sayfalarda_Dikkatli_Kullanilmali\" >Cache Hangi Sayfalarda Dikkatli Kullan\u0131lmal\u0131?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache-Control_Header_Nedir\" >Cache-Control Header Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#ETag_Nedir\" >ETag Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Expires_Header_Nedir\" >Expires Header Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Busting_Nedir\" >Cache Busting Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Purge_Nedir\" >Cache Purge Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Suresi_Nasil_Belirlenmeli\" >Cache S\u00fcresi Nas\u0131l Belirlenmeli?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Kullaniminda_Sik_Yapilan_Hatalar\" >Cache Kullan\u0131m\u0131nda S\u0131k Yap\u0131lan Hatalar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_ve_CDN_Birlikte_Nasil_Calisir\" >Cache ve CDN Birlikte Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#WordPress_Sitelerde_Cache_Nasil_Kullanilir\" >WordPress Sitelerde Cache Nas\u0131l Kullan\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Nasil_Test_Edilir\" >Cache Nas\u0131l Test Edilir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Hit_ve_Cache_Miss_Nedir\" >Cache Hit ve Cache Miss Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Hit_Ratio_Nedir\" >Cache Hit Ratio Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Temizlemek_Ne_Zaman_Gerekir\" >Cache Temizlemek Ne Zaman Gerekir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Guvenlik_Riski_Olusturur_mu\" >Cache G\u00fcvenlik Riski Olu\u015fturur mu?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.domainsorgulama.com\/blog\/cache-nedir\/#Cache_Performans_Icin_Tek_Basina_Yeterli_mi\" >Cache Performans \u0130\u00e7in Tek Ba\u015f\u0131na Yeterli mi?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Nedir\"><\/span><b>Cache Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache, s\u0131k kullan\u0131lan veya daha \u00f6nce talep edilmi\u015f verilerin ge\u00e7ici olarak sakland\u0131\u011f\u0131 bellek ya da depolama alan\u0131d\u0131r. Ama\u00e7, ayn\u0131 veri tekrar gerekti\u011finde bu veriyi daha h\u0131zl\u0131 \u015fekilde sunmakt\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Basit bir \u00f6rnekle a\u00e7\u0131klayal\u0131m. Bir web sitesine ilk kez girdi\u011finizde taray\u0131c\u0131n\u0131z logo, g\u00f6rsel, stil dosyalar\u0131 ve baz\u0131 script dosyalar\u0131n\u0131 indirir. Ayn\u0131 siteyi tekrar ziyaret etti\u011finizde bu dosyalar\u0131n bir k\u0131sm\u0131 yeniden indirilmek yerine taray\u0131c\u0131n\u0131z\u0131n \u00f6nbelle\u011finden y\u00fcklenebilir. B\u00f6ylece sayfa daha h\u0131zl\u0131 a\u00e7\u0131l\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache yaln\u0131zca taray\u0131c\u0131da ger\u00e7ekle\u015fmez. Sunucu taraf\u0131nda, CDN taraf\u0131nda, uygulama katman\u0131nda, veritaban\u0131nda ve DNS seviyesinde de cache kullan\u0131labilir. Bu nedenle cache, web performans\u0131n\u0131n bir\u00e7ok katman\u0131nda g\u00f6rev al\u0131r.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1979 aligncenter\" src=\"https:\/\/www.domainsorgulama.com\/blog\/wp-content\/uploads\/2026\/06\/Cache-Nedir-Web-Sitesi-Performansina-Nasil-Katki-Saglar2-300x163.png\" alt=\"\" width=\"536\" height=\"291\" srcset=\"https:\/\/www.domainsorgulama.com\/blog\/wp-content\/uploads\/2026\/06\/Cache-Nedir-Web-Sitesi-Performansina-Nasil-Katki-Saglar2-300x163.png 300w, https:\/\/www.domainsorgulama.com\/blog\/wp-content\/uploads\/2026\/06\/Cache-Nedir-Web-Sitesi-Performansina-Nasil-Katki-Saglar2-768x417.png 768w, https:\/\/www.domainsorgulama.com\/blog\/wp-content\/uploads\/2026\/06\/Cache-Nedir-Web-Sitesi-Performansina-Nasil-Katki-Saglar2.png 810w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Ne_Ise_Yarar\"><\/span><b>Cache Ne \u0130\u015fe Yarar?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache\u2019in temel amac\u0131, veri ve dosyalar\u0131n daha h\u0131zl\u0131 sunulmas\u0131n\u0131 sa\u011flamakt\u0131r. Web sitesinde ayn\u0131 i\u00e7eri\u011fin tekrar tekrar i\u015flenmesi veya indirilmesi yerine, daha \u00f6nce haz\u0131rlanm\u0131\u015f bir kopya kullan\u0131l\u0131r. Bu da hem kullan\u0131c\u0131 taraf\u0131nda hem de sunucu taraf\u0131nda performans kazanc\u0131 sa\u011flar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache \u015fu alanlarda fayda sa\u011flar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sayfa y\u00fcklenme s\u00fcresini azalt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sunucu \u00fczerindeki y\u00fck\u00fc d\u00fc\u015f\u00fcr\u00fcr.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bant geni\u015fli\u011fi kullan\u0131m\u0131n\u0131 azalt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 deneyimini iyile\u015ftirir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Trafik yo\u011funlu\u011funda sitenin daha stabil \u00e7al\u0131\u015fmas\u0131na yard\u0131mc\u0131 olur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Core Web Vitals metriklerini destekleyebilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SEO performans\u0131na dolayl\u0131 katk\u0131 sa\u011flayabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tekrarl\u0131 isteklerin daha h\u0131zl\u0131 yan\u0131tlanmas\u0131n\u0131 sa\u011flar.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN performans\u0131n\u0131 g\u00fc\u00e7lendirir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mobil kullan\u0131c\u0131lar i\u00e7in daha h\u0131zl\u0131 deneyim sunar.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00d6zellikle g\u00f6rsel, CSS, JavaScript ve font gibi statik dosyalar\u0131n cache\u2019lenmesi, web sitesi performans\u0131nda ciddi iyile\u015fme sa\u011flayabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Nasil_Calisir\"><\/span><b>Cache Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/Guides\/Caching\" target=\"_blank\" rel=\"noopener\">Cache sistemi,<\/a> kullan\u0131c\u0131n\u0131n veya sistemin daha \u00f6nce talep etti\u011fi veriyi belirli kurallara g\u00f6re saklar. Ayn\u0131 veri tekrar talep edildi\u011finde \u00f6nce cache kontrol edilir. E\u011fer ilgili veri cache i\u00e7inde g\u00fcncel olarak bulunuyorsa, sistem veriyi do\u011frudan cache\u2019den sunar. E\u011fer cache\u2019de yoksa veya s\u00fcresi dolmu\u015fsa, veri yeniden sunucudan al\u0131n\u0131r ve tekrar cache\u2019e kaydedilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu s\u00fcre\u00e7 genel olarak \u015f\u00f6yle i\u015fler:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 bir sayfa veya dosya talep eder.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sistem \u00f6nce cache\u2019de bu i\u00e7eri\u011fin olup olmad\u0131\u011f\u0131n\u0131 kontrol eder.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0130\u00e7erik cache\u2019de varsa h\u0131zl\u0131 \u015fekilde kullan\u0131c\u0131ya sunulur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0130\u00e7erik cache\u2019de yoksa sunucudan al\u0131n\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Al\u0131nan i\u00e7erik belirli s\u00fcreyle cache\u2019e kaydedilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ayn\u0131 i\u00e7erik tekrar istendi\u011finde cache\u2019den sunulur.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cache\u2019in ne kadar s\u00fcreyle saklanaca\u011f\u0131, HTTP header\u2019lar\u0131, CDN ayarlar\u0131, uygulama kurallar\u0131 veya sunucu yap\u0131land\u0131rmalar\u0131yla belirlenir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Web_Sitesi_Performansi_Icin_Cache_Neden_Onemlidir\"><\/span><b>Web Sitesi Performans\u0131 \u0130\u00e7in Cache Neden \u00d6nemlidir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Web sitesi performans\u0131, kullan\u0131c\u0131lar\u0131n sayfaya ne kadar h\u0131zl\u0131 eri\u015febildi\u011fiyle do\u011frudan ili\u015fkilidir. Yava\u015f a\u00e7\u0131lan web siteleri kullan\u0131c\u0131lar\u0131n sayfadan \u00e7\u0131kmas\u0131na, d\u00f6n\u00fc\u015f\u00fcm oranlar\u0131n\u0131n d\u00fc\u015fmesine ve marka alg\u0131s\u0131n\u0131n zay\u0131flamas\u0131na neden olabilir. Cache, bu noktada en etkili performans y\u00f6ntemlerinden biridir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bir sayfan\u0131n her ziyaret\u00e7i i\u00e7in s\u0131f\u0131rdan olu\u015fturuldu\u011funu d\u00fc\u015f\u00fcnelim. Sunucu veritaban\u0131na ba\u011flan\u0131r, i\u00e7erikleri \u00e7eker, HTML \u00e7\u0131kt\u0131s\u0131n\u0131 olu\u015fturur, dosyalar\u0131 i\u015fler ve kullan\u0131c\u0131ya yan\u0131t verir. Bu i\u015flem her kullan\u0131c\u0131 i\u00e7in tekrarland\u0131\u011f\u0131nda sunucu y\u00fck\u00fc artar. Cache kullan\u0131ld\u0131\u011f\u0131nda ise daha \u00f6nce olu\u015fturulan sayfa \u00e7\u0131kt\u0131s\u0131 veya dosyalar h\u0131zl\u0131ca sunulabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu da \u00f6zellikle y\u00fcksek trafikli sitelerde b\u00fcy\u00fck avantaj sa\u011flar. Kampanya d\u00f6nemleri, \u00f6zel g\u00fcnler, \u00fcr\u00fcn lansmanlar\u0131 veya haber trafi\u011fi gibi yo\u011fun anlarda cache, sitenin daha h\u0131zl\u0131 ve daha stabil \u00e7al\u0131\u015fmas\u0131na yard\u0131mc\u0131 olur.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Turleri_Nelerdir\"><\/span><b>Cache T\u00fcrleri Nelerdir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Web performans\u0131nda kullan\u0131lan cache t\u00fcrleri farkl\u0131 katmanlarda \u00e7al\u0131\u015f\u0131r. Her bir cache t\u00fcr\u00fc farkl\u0131 bir ihtiyaca yan\u0131t verir ve do\u011fru yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131nda birlikte g\u00fc\u00e7l\u00fc bir performans sistemi olu\u015fturur.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ba\u015fl\u0131ca cache t\u00fcrleri \u015funlard\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Browser cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Server-side cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Page cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Object cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Database cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Opcode cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DNS cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">API cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Application cache<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bu cache t\u00fcrlerinin her biri farkl\u0131 veri t\u00fcrlerini saklar ve farkl\u0131 performans problemlerini \u00e7\u00f6zmeye yard\u0131mc\u0131 olur.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Browser_Cache_Nedir\"><\/span><b>Browser Cache Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Browser cache, kullan\u0131c\u0131n\u0131n taray\u0131c\u0131s\u0131nda saklanan \u00f6nbellektir. Bir kullan\u0131c\u0131 bir web sitesini ziyaret etti\u011finde taray\u0131c\u0131 baz\u0131 dosyalar\u0131 cihazda ge\u00e7ici olarak saklar. Kullan\u0131c\u0131 ayn\u0131 siteyi tekrar ziyaret etti\u011finde bu dosyalar tekrar sunucudan indirilmek yerine taray\u0131c\u0131 cache\u2019inden y\u00fcklenir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Browser cache genellikle \u015fu dosyalar i\u00e7in kullan\u0131l\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00f6rseller<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CSS dosyalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">JavaScript dosyalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Font dosyalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Logo ve ikonlar<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Statik medya dosyalar\u0131<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Browser cache\u2019in avantaj\u0131, tekrar ziyaretlerde sayfan\u0131n daha h\u0131zl\u0131 a\u00e7\u0131lmas\u0131d\u0131r. \u00d6zellikle s\u0131k ziyaret edilen web sitelerinde bu etki belirgin \u015fekilde hissedilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rne\u011fin bir e-ticaret sitesinde logo, ikonlar, temel CSS ve JavaScript dosyalar\u0131 kullan\u0131c\u0131 her sayfaya ge\u00e7ti\u011finde tekrar tekrar indirilmemelidir. Bu dosyalar taray\u0131c\u0131da cache\u2019lenirse kullan\u0131c\u0131 kategori, \u00fcr\u00fcn ve sepet sayfalar\u0131 aras\u0131nda daha h\u0131zl\u0131 gezebilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Server-Side_Cache_Nedir\"><\/span><b>Server-Side Cache Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Server-side cache, sunucu taraf\u0131nda \u00e7al\u0131\u015fan \u00f6nbellekleme sistemidir. Bu yap\u0131, sunucunun her istekte ayn\u0131 i\u015flemleri yeniden yapmas\u0131n\u0131 engeller. \u00d6zellikle dinamik web sitelerinde performans i\u00e7in \u00f6nemlidir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bir WordPress sitesi d\u00fc\u015f\u00fcnelim. Kullan\u0131c\u0131 bir blog sayfas\u0131na girdi\u011finde sistem veritaban\u0131ndan i\u00e7erikleri \u00e7eker, tema dosyalar\u0131n\u0131 i\u015fler, eklentileri \u00e7al\u0131\u015ft\u0131r\u0131r ve HTML \u00e7\u0131kt\u0131s\u0131 \u00fcretir. E\u011fer server-side cache kullan\u0131l\u0131yorsa bu \u00e7\u0131kt\u0131 belirli s\u00fcre saklan\u0131r. Ayn\u0131 sayfa tekrar istendi\u011finde sunucu i\u015flemleri yeniden yapmak yerine cache\u2019lenmi\u015f \u00e7\u0131kt\u0131y\u0131 sunar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Server-side cache \u015fu alanlarda kullan\u0131labilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">HTML sayfa \u00e7\u0131kt\u0131s\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Veritaban\u0131 sorgular\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">API yan\u0131tlar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Uygulama nesneleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dinamik i\u00e7erik par\u00e7alar\u0131<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bu yap\u0131, sunucu yan\u0131t s\u00fcresini d\u00fc\u015f\u00fcrmeye ve y\u00fcksek trafikte daha stabil performans sa\u011flamaya yard\u0131mc\u0131 olur.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Page_Cache_Nedir\"><\/span><b>Page Cache Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Page cache, bir web sayfas\u0131n\u0131n olu\u015fturulmu\u015f HTML \u00e7\u0131kt\u0131s\u0131n\u0131n cache\u2019e al\u0131nmas\u0131d\u0131r. Dinamik sayfalar her istekte yeniden olu\u015fturulmak yerine, daha \u00f6nce olu\u015fturulmu\u015f HTML versiyonu kullan\u0131c\u0131ya sunulur.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Page cache \u00f6zellikle \u015fu sitelerde faydal\u0131d\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Blog siteleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kurumsal web siteleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Haber siteleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0130\u00e7erik portallar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Trafi\u011fi y\u00fcksek landing page\u2019ler<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u00fcy\u00fck kategori sayfalar\u0131<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ancak page cache her sayfa i\u00e7in ayn\u0131 \u015fekilde kullan\u0131lmamal\u0131d\u0131r. Kullan\u0131c\u0131ya \u00f6zel i\u00e7erik g\u00f6steren sayfalarda dikkatli olmak gerekir. \u00d6rne\u011fin kullan\u0131c\u0131 hesab\u0131, sepet, \u00f6deme veya panel sayfalar\u0131 yanl\u0131\u015f cache\u2019lenirse ba\u015fka kullan\u0131c\u0131ya ait bilgiler g\u00f6r\u00fcnt\u00fclenebilir. Bu nedenle dinamik ve ki\u015fiselle\u015ftirilmi\u015f sayfalarda cache kurallar\u0131 hassas \u015fekilde yap\u0131land\u0131r\u0131lmal\u0131d\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Object_Cache_Nedir\"><\/span><b>Object Cache Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Object cache, uygulama i\u00e7inde s\u0131k kullan\u0131lan veri nesnelerinin ge\u00e7ici olarak saklanmas\u0131d\u0131r. \u00d6zellikle WordPress, Laravel, Magento veya \u00f6zel yaz\u0131l\u0131m altyap\u0131lar\u0131nda veritaban\u0131ndan s\u0131k \u00e7ekilen verilerin daha h\u0131zl\u0131 eri\u015filmesi i\u00e7in kullan\u0131l\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Object cache genellikle Redis veya Memcached gibi sistemlerle birlikte \u00e7al\u0131\u015f\u0131r. \u00d6rne\u011fin bir \u00fcr\u00fcn kategorisinin verileri veya site ayarlar\u0131 her istekte veritaban\u0131ndan \u00e7ekilmek yerine object cache \u00fczerinden sunulabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Object cache\u2019in faydalar\u0131:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Veritaban\u0131 y\u00fck\u00fcn\u00fc azalt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dinamik uygulamalar\u0131 h\u0131zland\u0131r\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tekrarlayan sorgular\u0131 azalt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00fcksek trafikte daha stabil performans sa\u011flar.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backend yan\u0131t s\u00fcresini d\u00fc\u015f\u00fcr\u00fcr.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00d6zellikle b\u00fcy\u00fck e-ticaret sitelerinde ve kullan\u0131c\u0131ya \u00f6zel veri \u00fcreten uygulamalarda object cache \u00f6nemli bir performans katman\u0131 olabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Database_Cache_Nedir\"><\/span><b>Database Cache Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Database cache, veritaban\u0131 sorgular\u0131n\u0131n sonu\u00e7lar\u0131n\u0131 ge\u00e7ici olarak saklayan \u00f6nbellekleme t\u00fcr\u00fcd\u00fcr. Web sitelerinde bir\u00e7ok sayfa veritaban\u0131ndan veri \u00e7eker. Ayn\u0131 sorgular\u0131n s\u00fcrekli tekrar edilmesi, veritaban\u0131 y\u00fck\u00fcn\u00fc art\u0131rabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Database cache sayesinde s\u0131k kullan\u0131lan sorgular\u0131n sonu\u00e7lar\u0131 belirli s\u00fcre saklan\u0131r ve tekrar ihtiya\u00e7 duyuldu\u011funda h\u0131zl\u0131ca sunulur.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Database cache \u015fu durumlarda faydal\u0131d\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c7ok ziyaret edilen kategori sayfalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dcr\u00fcn listeleme sayfalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pop\u00fcler blog i\u00e7erikleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u0131k kullan\u0131lan filtreler<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Site ayarlar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Men\u00fc ve navigasyon verileri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 d\u0131\u015f\u0131 statik sorgular<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ancak veritaban\u0131 cache\u2019i do\u011fru y\u00f6netilmezse g\u00fcncel olmayan veriler g\u00f6sterilebilir. \u00d6zellikle stok, fiyat, kampanya ve kullan\u0131c\u0131 bilgisi gibi s\u0131k de\u011fi\u015fen alanlarda cache s\u00fcresi dikkatli belirlenmelidir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"CDN_Cache_Nedir\"><\/span><b>CDN Cache Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">CDN cache, web sitesindeki statik veya belirli dinamik i\u00e7eriklerin farkl\u0131 co\u011frafi lokasyonlardaki CDN sunucular\u0131nda saklanmas\u0131d\u0131r. CDN, Content Delivery Network yani \u0130\u00e7erik Da\u011f\u0131t\u0131m A\u011f\u0131 anlam\u0131na gelir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bir kullan\u0131c\u0131 web sitesine girdi\u011finde i\u00e7erik do\u011frudan origin sunucudan de\u011fil, kullan\u0131c\u0131ya en yak\u0131n CDN sunucusundan sunulabilir. Bu da sayfa y\u00fcklenme s\u00fcresini ve sunucu \u00fczerindeki y\u00fck\u00fc azalt\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">CDN cache genellikle \u015fu dosyalar i\u00e7in kullan\u0131l\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00f6rseller<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CSS dosyalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">JavaScript dosyalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fontlar<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Video ve medya dosyalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Statik HTML sayfalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Baz\u0131 API yan\u0131tlar\u0131<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">CDN cache \u00f6zellikle global kullan\u0131c\u0131 kitlesi olan sitelerde \u00f6nemlidir. T\u00fcrkiye\u2019deki bir kullan\u0131c\u0131, Avrupa\u2019daki CDN noktas\u0131ndan dosya al\u0131rken; Amerika\u2019daki kullan\u0131c\u0131 kendisine daha yak\u0131n bir CDN noktas\u0131ndan ayn\u0131 dosyay\u0131 alabilir. Bu da co\u011frafi mesafeden kaynaklanan gecikmeyi azalt\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Opcode_Cache_Nedir\"><\/span><b>Opcode Cache Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Opcode cache, PHP gibi yorumlanan dillerde kodun her istekte yeniden derlenmesini \u00f6nlemeye yarayan cache t\u00fcr\u00fcd\u00fcr. PHP tabanl\u0131 web sitelerinde kod \u00e7al\u0131\u015ft\u0131r\u0131lmadan \u00f6nce yorumlan\u0131r ve i\u015flenir. Opcode cache, bu i\u015flenmi\u015f kodu bellekte saklayarak sonraki isteklerde daha h\u0131zl\u0131 \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">PHP i\u00e7in en yayg\u0131n opcode cache \u00e7\u00f6z\u00fcmlerinden biri OPcache\u2019tir. WordPress, Magento, Drupal ve PHP tabanl\u0131 \u00f6zel yaz\u0131l\u0131mlarda OPcache kullan\u0131m\u0131 performansa katk\u0131 sa\u011flayabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Opcode cache\u2019in faydalar\u0131:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">PHP uygulamalar\u0131nda i\u015flem s\u00fcresini azalt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sunucu kaynak kullan\u0131m\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backend performans\u0131n\u0131 art\u0131r\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dinamik sitelerde daha h\u0131zl\u0131 yan\u0131t sa\u011flar.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"DNS_Cache_Nedir\"><\/span><b>DNS Cache Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">DNS cache, alan ad\u0131 ile IP adresi e\u015fle\u015fmesinin belirli bir s\u00fcre saklanmas\u0131d\u0131r. Kullan\u0131c\u0131 bir web sitesine girdi\u011finde DNS \u00e7\u00f6z\u00fcmlemesi yap\u0131l\u0131r. DNS cache sayesinde ayn\u0131 alan ad\u0131 i\u00e7in tekrar tekrar sorgu yap\u0131lmas\u0131na gerek kalmaz.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">DNS cache farkl\u0131 yerlerde tutulabilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131n\u0131n taray\u0131c\u0131s\u0131nda<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0130\u015fletim sisteminde<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Modemde<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0130nternet servis sa\u011flay\u0131c\u0131s\u0131nda<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DNS sunucular\u0131nda<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">DNS cache, web sitesine eri\u015fim s\u00fcrecini h\u0131zland\u0131rabilir. Ancak DNS de\u011fi\u015fikliklerinde eski kay\u0131tlar\u0131n bir s\u00fcre g\u00f6r\u00fcnmeye devam etmesine de neden olabilir. Bu nedenle domain veya sunucu ta\u015f\u0131ma i\u015flemlerinde TTL de\u011ferleri dikkatle y\u00f6netilmelidir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"API_Cache_Nedir\"><\/span><b>API Cache Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">API cache, bir API\u2019den gelen yan\u0131tlar\u0131n belirli s\u00fcre saklanmas\u0131d\u0131r. Modern web siteleri ve uygulamalar bir\u00e7ok veriyi API \u00fczerinden al\u0131r. Her istekte API\u2019ye tekrar gitmek performans ve maliyet a\u00e7\u0131s\u0131ndan verimsiz olabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">API cache \u015fu durumlarda kullan\u0131labilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dcr\u00fcn listeleme verileri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00f6viz kuru bilgileri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hava durumu verileri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Blog i\u00e7erikleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kategori bilgileri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u0131k de\u011fi\u015fmeyen ayarlar<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Harici servis yan\u0131tlar\u0131<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">API cache, \u00f6zellikle \u00fc\u00e7\u00fcnc\u00fc parti servislerin kullan\u0131ld\u0131\u011f\u0131 yap\u0131larda \u00f6nemlidir. Ancak kullan\u0131c\u0131ya \u00f6zel veya anl\u0131k g\u00fcncellik gerektiren verilerde cache s\u00fcresi dikkatli ayarlanmal\u0131d\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Web_Sitesi_Hizini_Nasil_Artirir\"><\/span><b>Cache Web Sitesi H\u0131z\u0131n\u0131 Nas\u0131l Art\u0131r\u0131r?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache, web sitesi h\u0131z\u0131n\u0131 birka\u00e7 farkl\u0131 yoldan art\u0131r\u0131r. \u0130lk olarak taray\u0131c\u0131n\u0131n ayn\u0131 dosyalar\u0131 tekrar indirmesini engeller. \u0130kinci olarak sunucunun ayn\u0131 sayfay\u0131 tekrar tekrar olu\u015fturmas\u0131n\u0131 \u00f6nler. \u00dc\u00e7\u00fcnc\u00fc olarak CDN ile dosyalar\u0131n kullan\u0131c\u0131ya daha yak\u0131n lokasyondan sunulmas\u0131n\u0131 sa\u011flar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache\u2019in h\u0131z \u00fczerindeki etkileri \u015funlard\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sunucu yan\u0131t s\u00fcresini d\u00fc\u015f\u00fcr\u00fcr.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dosya indirme s\u00fcresini azalt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sayfa kaynaklar\u0131n\u0131n daha h\u0131zl\u0131 y\u00fcklenmesini sa\u011flar.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tekrar ziyaretlerde sayfa a\u00e7\u0131l\u0131\u015f\u0131n\u0131 h\u0131zland\u0131r\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Veritaban\u0131 sorgular\u0131n\u0131 azalt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN ile co\u011frafi gecikmeyi d\u00fc\u015f\u00fcr\u00fcr.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yo\u011fun trafikte performans\u0131n daha stabil kalmas\u0131na yard\u0131mc\u0131 olur.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00d6zellikle statik kaynaklar\u0131n cache\u2019lenmesi, kullan\u0131c\u0131 taraf\u0131nda \u00e7ok h\u0131zl\u0131 fark edilir. Logo, CSS, JS ve font dosyalar\u0131 her ziyarette yeniden indirilmedi\u011finde sayfa daha ak\u0131c\u0131 \u00e7al\u0131\u015f\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_ve_Core_Web_Vitals_Iliskisi\"><\/span><b>Cache ve Core Web Vitals \u0130li\u015fkisi<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Core Web Vitals, Google\u2019\u0131n kullan\u0131c\u0131 deneyimini \u00f6l\u00e7mek i\u00e7in kulland\u0131\u011f\u0131 \u00f6nemli performans metrikleridir. Cache do\u011fru yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131nda bu metriklerin iyile\u015fmesine katk\u0131 sa\u011flayabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache\u2019in Core Web Vitals \u00fczerindeki etkisi \u015fu \u015fekilde olabilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">LCP iyile\u015febilir: B\u00fcy\u00fck g\u00f6rsel veya hero alan\u0131 daha h\u0131zl\u0131 y\u00fcklenebilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">INP desteklenebilir: Sunucu yan\u0131t\u0131 ve script y\u00fckleri optimize edildi\u011finde etkile\u015fim daha stabil olabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CLS do\u011frudan cache ile \u00e7\u00f6z\u00fclmez ancak g\u00f6rsel ve fontlar\u0131n daha d\u00fczenli y\u00fcklenmesi dolayl\u0131 katk\u0131 sa\u011flayabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">TTFB d\u00fc\u015febilir: Server-side cache, sayfan\u0131n ilk yan\u0131t s\u00fcresini azaltabilir.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cache tek ba\u015f\u0131na t\u00fcm Core Web Vitals problemlerini \u00e7\u00f6zmez. Ancak iyi bir performans optimizasyonu stratejisinin temel par\u00e7alar\u0131ndan biridir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_ve_SEO_Iliskisi\"><\/span><b>Cache ve SEO \u0130li\u015fkisi<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache, SEO performans\u0131n\u0131 do\u011frudan bir s\u0131ralama fakt\u00f6r\u00fc gibi de\u011fil, teknik performans\u0131 ve kullan\u0131c\u0131 deneyimini iyile\u015ftiren destekleyici bir unsur olarak etkiler. H\u0131zl\u0131 a\u00e7\u0131lan, daha stabil \u00e7al\u0131\u015fan ve kullan\u0131c\u0131ya daha iyi deneyim sunan web siteleri SEO a\u00e7\u0131s\u0131ndan daha avantajl\u0131 bir zemine sahip olabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache\u2019in SEO\u2019ya katk\u0131lar\u0131 \u015funlard\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sayfa h\u0131z\u0131n\u0131 art\u0131r\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sunucu yan\u0131t s\u00fcresini d\u00fc\u015f\u00fcr\u00fcr.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Crawl verimlili\u011fini destekleyebilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yo\u011fun trafikte sitenin eri\u015filebilir kalmas\u0131na yard\u0131mc\u0131 olur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 deneyimini iyile\u015ftirir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hemen \u00e7\u0131kma davran\u0131\u015f\u0131n\u0131 azaltmaya katk\u0131 sa\u011flayabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Core Web Vitals metriklerini destekleyebilir.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00d6zellikle b\u00fcy\u00fck sitelerde cache, Googlebot\u2019un sayfalara daha h\u0131zl\u0131 eri\u015fmesine yard\u0131mc\u0131 olabilir. Sunucu s\u00fcrekli yava\u015f yan\u0131t veriyorsa, tarama verimlili\u011fi olumsuz etkilenebilir. Cache bu noktada sunucu performans\u0131n\u0131 destekler.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Sunucu_Yukunu_Nasil_Azaltir\"><\/span><b>Cache Sunucu Y\u00fck\u00fcn\u00fc Nas\u0131l Azalt\u0131r?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache, sunucunun ayn\u0131 i\u015flemleri tekrar tekrar yapmas\u0131n\u0131 engelledi\u011fi i\u00e7in kaynak kullan\u0131m\u0131n\u0131 azalt\u0131r. Her istekte veritaban\u0131 sorgusu \u00e7al\u0131\u015ft\u0131rmak, PHP veya ba\u015fka uygulama kodlar\u0131n\u0131 \u00e7al\u0131\u015ft\u0131rmak ve HTML \u00fcretmek sunucu kayna\u011f\u0131 t\u00fcketir. Cache bu i\u015flemlerin bir k\u0131sm\u0131n\u0131 devreden \u00e7\u0131kar\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sunucu y\u00fck\u00fcn\u00fc azaltan cache etkileri:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Daha az CPU kullan\u0131m\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Daha az RAM t\u00fcketimi<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Daha az veritaban\u0131 sorgusu<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Daha d\u00fc\u015f\u00fck disk I\/O kullan\u0131m\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Daha d\u00fc\u015f\u00fck bant geni\u015fli\u011fi t\u00fcketimi<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Daha h\u0131zl\u0131 yan\u0131t s\u00fcreleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Trafik art\u0131\u015flar\u0131nda daha stabil yap\u0131<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bu \u00f6zellikle kampanya d\u00f6nemleri ve ani trafik art\u0131\u015flar\u0131nda kritiktir. Cache olmayan bir site, normalde kald\u0131rabildi\u011fi trafi\u011fi yo\u011fun d\u00f6nemde kald\u0131ramayabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_E-Ticaret_Siteleri_Icin_Neden_Onemlidir\"><\/span><b>Cache E-Ticaret Siteleri \u0130\u00e7in Neden \u00d6nemlidir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">E-ticaret sitelerinde h\u0131z do\u011frudan d\u00f6n\u00fc\u015f\u00fcm oran\u0131n\u0131 etkileyebilir. \u00dcr\u00fcn sayfalar\u0131n\u0131n yava\u015f a\u00e7\u0131lmas\u0131, kategori filtrelerinin ge\u00e7 \u00e7al\u0131\u015fmas\u0131 veya sepet ad\u0131mlar\u0131n\u0131n a\u011f\u0131r olmas\u0131 kullan\u0131c\u0131 kayb\u0131na neden olabilir. Cache, bu noktada al\u0131\u015fveri\u015f deneyimini h\u0131zland\u0131ran \u00f6nemli bir teknik katmand\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">E-ticaret sitelerinde cache \u015fu alanlarda faydal\u0131d\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kategori sayfalar\u0131n\u0131n h\u0131zl\u0131 a\u00e7\u0131lmas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dcr\u00fcn g\u00f6rsellerinin h\u0131zl\u0131 y\u00fcklenmesi<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kampanya landing page\u2019lerinin daha stabil \u00e7al\u0131\u015fmas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tekrar ziyaretlerde daha h\u0131zl\u0131 deneyim<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sunucu y\u00fck\u00fcn\u00fcn azalmas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN ile g\u00f6rsel performans\u0131n\u0131n artmas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yo\u011fun kampanya d\u00f6nemlerinde eri\u015filebilirli\u011fin korunmas\u0131<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ancak e-ticaret sitelerinde cache dikkatli yap\u0131land\u0131r\u0131lmal\u0131d\u0131r. \u00c7\u00fcnk\u00fc fiyat, stok, sepet, \u00f6deme, kullan\u0131c\u0131 hesab\u0131 ve ki\u015fiselle\u015ftirilmi\u015f \u00f6neriler gibi alanlar dinamik olabilir. Yanl\u0131\u015f cache yap\u0131land\u0131rmas\u0131 g\u00fcncel olmayan fiyat veya stok bilgisinin g\u00f6sterilmesine neden olabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Hangi_Sayfalarda_Dikkatli_Kullanilmali\"><\/span><b>Cache Hangi Sayfalarda Dikkatli Kullan\u0131lmal\u0131?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache her sayfada ayn\u0131 \u015fekilde uygulanmamal\u0131d\u0131r. \u00d6zellikle kullan\u0131c\u0131ya \u00f6zel bilgi i\u00e7eren veya anl\u0131k g\u00fcncellik gerektiren sayfalarda cache kurallar\u0131 dikkatli belirlenmelidir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dikkatli cache kullan\u0131lmas\u0131 gereken sayfalar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sepet sayfas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00d6deme sayfas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 hesab\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dcyelik paneli<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sipari\u015f ge\u00e7mi\u015fi<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u015fiselle\u015ftirilmi\u015f \u00f6neriler<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Canl\u0131 stok ve fiyat alanlar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00f6netim paneli<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Form g\u00f6nderim sayfalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Banka veya \u00f6deme entegrasyonu sayfalar\u0131<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bu sayfalarda yanl\u0131\u015f cache kullan\u0131m\u0131 hem kullan\u0131c\u0131 deneyimi hem de veri g\u00fcvenli\u011fi a\u00e7\u0131s\u0131ndan ciddi sorun yaratabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache-Control_Header_Nedir\"><\/span><b>Cache-Control Header Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache-Control, taray\u0131c\u0131 ve ara sunuculara bir i\u00e7eri\u011fin nas\u0131l cache\u2019lenece\u011fini s\u00f6yleyen HTTP header\u2019\u0131d\u0131r. Web performans\u0131nda olduk\u00e7a \u00f6nemli bir yap\u0131land\u0131rma alan\u0131d\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Yayg\u0131n Cache-Control direktifleri \u015funlard\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">max-age<\/span><span style=\"font-weight: 400;\">: \u0130\u00e7eri\u011fin ka\u00e7 saniye cache\u2019de kalaca\u011f\u0131n\u0131 belirtir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">public<\/span><span style=\"font-weight: 400;\">: \u0130\u00e7eri\u011fin taray\u0131c\u0131 ve ara cache sistemleri taraf\u0131ndan cache\u2019lenebilece\u011fini belirtir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">private<\/span><span style=\"font-weight: 400;\">: \u0130\u00e7eri\u011fin yaln\u0131zca kullan\u0131c\u0131 taray\u0131c\u0131s\u0131nda cache\u2019lenebilece\u011fini belirtir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">no-cache<\/span><span style=\"font-weight: 400;\">: \u0130\u00e7erik kullan\u0131lmadan \u00f6nce sunucudan do\u011frulama yap\u0131lmas\u0131n\u0131 ister.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">no-store<\/span><span style=\"font-weight: 400;\">: \u0130\u00e7eri\u011fin hi\u00e7bir yerde saklanmamas\u0131n\u0131 ister.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">must-revalidate<\/span><span style=\"font-weight: 400;\">: S\u00fcresi dolan i\u00e7eri\u011fin yeniden do\u011frulanmas\u0131 gerekti\u011fini belirtir.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00d6rnek Cache-Control kullan\u0131m\u0131:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache-Control: public, max-age=31536000<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu \u00f6rnek, i\u00e7eri\u011fin 1 y\u0131l boyunca public cache\u2019de tutulabilece\u011fini belirtir. Genellikle versiyonlanm\u0131\u015f statik dosyalarda kullan\u0131labilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"ETag_Nedir\"><\/span><b>ETag Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">ETag, bir dosyan\u0131n veya i\u00e7eri\u011fin belirli bir versiyonunu tan\u0131mlayan HTTP header de\u011feridir. Taray\u0131c\u0131 daha \u00f6nce ald\u0131\u011f\u0131 dosyan\u0131n g\u00fcncel olup olmad\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in ETag kullanabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">E\u011fer dosya de\u011fi\u015fmediyse sunucu t\u00fcm dosyay\u0131 tekrar g\u00f6ndermek yerine <\/span><span style=\"font-weight: 400;\">304 Not Modified<\/span><span style=\"font-weight: 400;\"> yan\u0131t\u0131 d\u00f6nebilir. Bu da bant geni\u015fli\u011fi ve y\u00fckleme s\u00fcresi a\u00e7\u0131s\u0131ndan avantaj sa\u011flar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ETag \u00f6zellikle statik dosyalar\u0131n g\u00fcncellik kontrol\u00fcnde faydal\u0131 olabilir. Ancak b\u00fcy\u00fck ve da\u011f\u0131t\u0131k sistemlerde do\u011fru yap\u0131land\u0131r\u0131lmas\u0131 gerekir. Yanl\u0131\u015f ETag kullan\u0131m\u0131 baz\u0131 durumlarda gereksiz do\u011frulama isteklerine neden olabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Expires_Header_Nedir\"><\/span><b>Expires Header Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Expires header, bir kayna\u011f\u0131n hangi tarihe kadar ge\u00e7erli oldu\u011funu belirten HTTP header\u2019\u0131d\u0131r. Taray\u0131c\u0131, bu tarih dolana kadar kayna\u011f\u0131 cache\u2019den kullanabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rnek:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Expires: Wed, 21 Oct 2026 07:28:00 GMT<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Modern yap\u0131larda genellikle Cache-Control daha esnek oldu\u011fu i\u00e7in daha s\u0131k tercih edilir. Ancak Expires header da taray\u0131c\u0131 cache kontrol\u00fcnde kullan\u0131labilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Busting_Nedir\"><\/span><b>Cache Busting Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache busting, cache\u2019de tutulan dosyalar\u0131n g\u00fcncellendi\u011finde taray\u0131c\u0131ya yeni versiyon olarak g\u00f6sterilmesini sa\u011flayan y\u00f6ntemdir. \u00d6zellikle CSS ve JavaScript dosyalar\u0131nda s\u0131k kullan\u0131l\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rne\u011fin bir CSS dosyas\u0131 \u015fu \u015fekilde sunulabilir:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&lt;link rel=&#8221;stylesheet&#8221; href=&#8221;\/style.css?v=2&#8243;&gt;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Veya dosya ad\u0131 hash ile de\u011fi\u015ftirilebilir:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&lt;link rel=&#8221;stylesheet&#8221; href=&#8221;\/style.8f3a2.css&#8221;&gt;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu sayede dosya g\u00fcncellendi\u011finde taray\u0131c\u0131 eski cache\u2019i kullanmaz ve yeni dosyay\u0131 indirir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache busting \u00f6zellikle uzun s\u00fcreli cache kullan\u0131lan statik dosyalarda \u00f6nemlidir. Aksi halde kullan\u0131c\u0131lar sitenin eski tasar\u0131m veya script dosyalar\u0131n\u0131 g\u00f6rmeye devam edebilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Purge_Nedir\"><\/span><b>Cache Purge Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache purge, cache\u2019de saklanan i\u00e7eriklerin temizlenmesi i\u015flemidir. Bir sayfa, g\u00f6rsel, CSS dosyas\u0131 veya CDN i\u00e7eri\u011fi g\u00fcncellendi\u011finde eski cache\u2019in temizlenmesi gerekebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache purge \u015fu durumlarda yap\u0131labilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Site tasar\u0131m\u0131 g\u00fcncellendi\u011finde<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CSS veya JavaScript dosyalar\u0131 de\u011fi\u015fti\u011finde<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dcr\u00fcn fiyat\u0131 veya stok bilgisi g\u00fcncellendi\u011finde<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kampanya sayfas\u0131 yay\u0131na al\u0131nd\u0131\u011f\u0131nda<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hatal\u0131 i\u00e7erik cache\u2019e al\u0131nd\u0131\u011f\u0131nda<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN cache\u2019i eski i\u00e7erik g\u00f6sterdi\u011finde<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kritik bir g\u00fcvenlik g\u00fcncellemesi yap\u0131ld\u0131\u011f\u0131nda<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cache purge i\u015flemi t\u00fcm site i\u00e7in yap\u0131labilece\u011fi gibi yaln\u0131zca belirli URL veya dosyalar i\u00e7in de yap\u0131labilir. B\u00fcy\u00fck sitelerde t\u00fcm cache\u2019i s\u0131k s\u0131k temizlemek performans\u0131 d\u00fc\u015f\u00fcrebilir. Bu nedenle hedefli cache temizli\u011fi daha do\u011fru olabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Suresi_Nasil_Belirlenmeli\"><\/span><b>Cache S\u00fcresi Nas\u0131l Belirlenmeli?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache s\u00fcresi, i\u00e7eri\u011fin ne kadar s\u0131k de\u011fi\u015fti\u011fine g\u00f6re belirlenmelidir. S\u0131k de\u011fi\u015fmeyen dosyalar uzun s\u00fcre cache\u2019lenebilir. S\u0131k de\u011fi\u015fen veya kullan\u0131c\u0131ya \u00f6zel i\u00e7erikler ise k\u0131sa s\u00fcreli cache\u2019lenmeli veya hi\u00e7 cache\u2019lenmemelidir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Genel cache s\u00fcresi \u00f6nerileri:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>\u0130\u00e7erik T\u00fcr\u00fc<\/b><\/td>\n<td><b>\u00d6nerilen Cache Yakla\u015f\u0131m\u0131<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Logo ve ikonlar<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Uzun s\u00fcreli cache<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">CSS ve JavaScript<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Versiyonlama ile uzun s\u00fcreli cache<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Font dosyalar\u0131<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Uzun s\u00fcreli cache<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Blog sayfalar\u0131<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Orta veya uzun s\u00fcreli cache<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kategori sayfalar\u0131<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kontroll\u00fc cache<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00dcr\u00fcn sayfalar\u0131<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Stok\/fiyat durumuna g\u00f6re kontroll\u00fc cache<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sepet ve \u00f6deme<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cache edilmemeli<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 paneli<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cache edilmemeli<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">API yan\u0131tlar\u0131<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Veri g\u00fcncelli\u011fine g\u00f6re k\u0131sa\/orta cache<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Cache s\u00fcresi belirlenirken performans ve g\u00fcncellik dengesi kurulmal\u0131d\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Kullaniminda_Sik_Yapilan_Hatalar\"><\/span><b>Cache Kullan\u0131m\u0131nda S\u0131k Yap\u0131lan Hatalar<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache do\u011fru yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131nda performans\u0131 ciddi \u015fekilde art\u0131r\u0131r. Ancak yanl\u0131\u015f yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131nda g\u00fcncel olmayan i\u00e7erik, kullan\u0131c\u0131 verisi kar\u0131\u015fmas\u0131 veya teknik hatalar gibi sorunlara yol a\u00e7abilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u0131k yap\u0131lan cache hatalar\u0131:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sepet ve \u00f6deme sayfalar\u0131n\u0131 cache\u2019lemek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131ya \u00f6zel bilgileri public cache\u2019e almak<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CSS\/JS g\u00fcncellemelerinde cache busting kullanmamak<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN cache temizli\u011fini ihmal etmek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stok ve fiyat bilgisini \u00e7ok uzun s\u00fcre cache\u2019lemek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00fcm site cache\u2019ini gereksiz s\u0131k temizlemek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mobil ve masa\u00fcst\u00fc farkl\u0131l\u0131klar\u0131n\u0131 dikkate almamak<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dil ve \u00fclke varyasyonlar\u0131n\u0131 yanl\u0131\u015f cache\u2019lemek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Query parametrelerini yanl\u0131\u015f y\u00f6netmek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">API yan\u0131tlar\u0131n\u0131 g\u00fcncellik ihtiyac\u0131na g\u00f6re ayarlamamak<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bu hatalar \u00f6zellikle e-ticaret, \u00fcyelik sistemi veya ki\u015fiselle\u015ftirilmi\u015f i\u00e7erik sunan sitelerde ciddi sorunlara neden olabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_ve_CDN_Birlikte_Nasil_Calisir\"><\/span><b>Cache ve CDN Birlikte Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache ve CDN birlikte kullan\u0131ld\u0131\u011f\u0131nda web sitesi performans\u0131 daha g\u00fc\u00e7l\u00fc hale gelir. CDN, site dosyalar\u0131n\u0131 farkl\u0131 lokasyonlarda cache\u2019ler ve kullan\u0131c\u0131ya en yak\u0131n noktadan sunar. B\u00f6ylece hem origin sunucunun y\u00fck\u00fc azal\u0131r hem de kullan\u0131c\u0131 daha h\u0131zl\u0131 dosya al\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu yap\u0131 \u015fu \u015fekilde \u00e7al\u0131\u015f\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 bir dosya talep eder.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN \u00f6nce kendi cache\u2019inde dosyan\u0131n olup olmad\u0131\u011f\u0131n\u0131 kontrol eder.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dosya CDN cache\u2019inde varsa kullan\u0131c\u0131ya h\u0131zl\u0131ca sunulur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dosya CDN cache\u2019inde yoksa origin sunucudan al\u0131n\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN dosyay\u0131 saklar ve sonraki kullan\u0131c\u0131lara cache\u2019den sunar.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bu sistem \u00f6zellikle g\u00f6rsel a\u011f\u0131rl\u0131kl\u0131 siteler, global siteler, medya platformlar\u0131 ve y\u00fcksek trafikli e-ticaret siteleri i\u00e7in \u00f6nemlidir.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1978 aligncenter\" src=\"https:\/\/www.domainsorgulama.com\/blog\/wp-content\/uploads\/2026\/06\/Cache-Nedir-Web-Sitesi-Performansina-Nasil-Katki-Saglar1-1-300x163.png\" alt=\"\" width=\"569\" height=\"309\" srcset=\"https:\/\/www.domainsorgulama.com\/blog\/wp-content\/uploads\/2026\/06\/Cache-Nedir-Web-Sitesi-Performansina-Nasil-Katki-Saglar1-1-300x163.png 300w, https:\/\/www.domainsorgulama.com\/blog\/wp-content\/uploads\/2026\/06\/Cache-Nedir-Web-Sitesi-Performansina-Nasil-Katki-Saglar1-1-768x417.png 768w, https:\/\/www.domainsorgulama.com\/blog\/wp-content\/uploads\/2026\/06\/Cache-Nedir-Web-Sitesi-Performansina-Nasil-Katki-Saglar1-1.png 810w\" sizes=\"auto, (max-width: 569px) 100vw, 569px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"WordPress_Sitelerde_Cache_Nasil_Kullanilir\"><\/span><b>WordPress Sitelerde Cache Nas\u0131l Kullan\u0131l\u0131r?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">WordPress dinamik bir CMS oldu\u011fu i\u00e7in cache kullan\u0131m\u0131 performans a\u00e7\u0131s\u0131ndan olduk\u00e7a \u00f6nemlidir. WordPress\u2019te cache eklentileri, sunucu cache\u2019i, object cache ve CDN birlikte kullan\u0131labilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">WordPress i\u00e7in cache alanlar\u0131:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Page cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Browser cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Object cache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Database optimization<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CSS\/JS minify<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lazy load<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN entegrasyonu<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">OPcache<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">WordPress sitelerde cache kullan\u0131rken dikkat edilmesi gereken noktalar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sepet ve \u00f6deme sayfalar\u0131 cache d\u0131\u015f\u0131 b\u0131rak\u0131lmal\u0131d\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dcyelik ve kullan\u0131c\u0131 paneli sayfalar\u0131 cache\u2019lenmemelidir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mobil cache uyumlulu\u011fu kontrol edilmelidir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CSS\/JS birle\u015ftirme i\u015flemleri g\u00f6rsel hatalara yol a\u00e7\u0131yorsa test edilmelidir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cache temizleme kurallar\u0131 i\u00e7erik g\u00fcncellemeleriyle uyumlu olmal\u0131d\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN kullan\u0131l\u0131yorsa purge i\u015flemleri do\u011fru \u00e7al\u0131\u015fmal\u0131d\u0131r.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Nasil_Test_Edilir\"><\/span><b>Cache Nas\u0131l Test Edilir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache\u2019in \u00e7al\u0131\u015f\u0131p \u00e7al\u0131\u015fmad\u0131\u011f\u0131n\u0131 anlamak i\u00e7in farkl\u0131 y\u00f6ntemler kullan\u0131labilir. Teknik ekipler HTTP header kontrolleri, performans test ara\u00e7lar\u0131 ve sunucu loglar\u0131 \u00fczerinden cache durumunu analiz edebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache test y\u00f6ntemleri:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Taray\u0131c\u0131 geli\u015ftirici ara\u00e7lar\u0131nda Network panelini kontrol etmek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">HTTP response header\u2019lar\u0131n\u0131 incelemek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cache-Control<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">Age<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">ETag<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">Expires<\/span><span style=\"font-weight: 400;\"> de\u011ferlerini kontrol etmek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lighthouse veya PageSpeed Insights kullanmak<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">WebPageTest ile tekrar ziyaret performans\u0131n\u0131 \u00f6l\u00e7mek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN panelinde cache hit oran\u0131n\u0131 kontrol etmek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sunucu loglar\u0131nda istek yo\u011funlu\u011funu analiz etmek<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cache testinde \u00f6zellikle ilk ziyaret ve tekrar ziyaret performans\u0131 kar\u015f\u0131la\u015ft\u0131r\u0131lmal\u0131d\u0131r. Cache do\u011fru \u00e7al\u0131\u015f\u0131yorsa tekrar ziyaretlerde baz\u0131 dosyalar daha h\u0131zl\u0131 y\u00fcklenir veya taray\u0131c\u0131 cache\u2019inden gelir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Hit_ve_Cache_Miss_Nedir\"><\/span><b>Cache Hit ve Cache Miss Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache hit, talep edilen i\u00e7eri\u011fin cache\u2019de bulunmas\u0131 ve cache\u2019den sunulmas\u0131d\u0131r. Cache miss ise i\u00e7eri\u011fin cache\u2019de bulunmamas\u0131 ve origin sunucudan al\u0131nmas\u0131d\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Basit\u00e7e:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cache hit: \u0130\u00e7erik cache\u2019de var, h\u0131zl\u0131 sunulur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cache miss: \u0130\u00e7erik cache\u2019de yok, sunucudan al\u0131n\u0131r.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">CDN ve server cache performans\u0131n\u0131 de\u011ferlendirirken cache hit ratio yani cache isabet oran\u0131 \u00f6nemli bir metriktir. Y\u00fcksek cache hit oran\u0131, i\u00e7eriklerin b\u00fcy\u00fck b\u00f6l\u00fcm\u00fcn\u00fcn cache\u2019den sunuldu\u011funu g\u00f6sterir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Hit_Ratio_Nedir\"><\/span><b>Cache Hit Ratio Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache hit ratio, toplam istekler i\u00e7inde cache\u2019den kar\u015f\u0131lanan isteklerin oran\u0131d\u0131r. Bu oran ne kadar y\u00fcksekse, cache sistemi o kadar etkili \u00e7al\u0131\u015f\u0131yor demektir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rne\u011fin 10.000 iste\u011fin 8.000\u2019i cache\u2019den kar\u015f\u0131lan\u0131yorsa cache hit ratio %80\u2019dir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Y\u00fcksek cache hit ratio \u015fu avantajlar\u0131 sa\u011flar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Origin sunucu y\u00fck\u00fc azal\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yan\u0131t s\u00fcreleri d\u00fc\u015fer.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 deneyimi iyile\u015fir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Trafik maliyetleri azalabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00fcksek trafikte sistem daha stabil kal\u0131r.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ancak her i\u00e7erikte %100 cache hit hedeflenmez. Dinamik veya kullan\u0131c\u0131ya \u00f6zel i\u00e7eriklerde cache hit oran\u0131 do\u011fal olarak daha d\u00fc\u015f\u00fck olabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Temizlemek_Ne_Zaman_Gerekir\"><\/span><b>Cache Temizlemek Ne Zaman Gerekir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache temizlemek her zaman iyi bir \u015fey de\u011fildir. Gereksiz cache temizli\u011fi performans\u0131 d\u00fc\u015f\u00fcrebilir. Ancak baz\u0131 durumlarda cache temizli\u011fi zorunlu hale gelir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache temizlenmesi gereken durumlar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0130\u00e7erik g\u00fcncellendi\u011finde eski versiyon g\u00f6r\u00fcn\u00fcyorsa<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tasar\u0131m de\u011fi\u015fikli\u011fi yay\u0131na al\u0131nd\u0131\u011f\u0131nda<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CSS veya JavaScript hatas\u0131 cache\u2019den kaynaklan\u0131yorsa<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dcr\u00fcn fiyat\u0131 veya stok bilgisi g\u00fcncellenmiyorsa<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN eski g\u00f6rseli g\u00f6stermeye devam ediyorsa<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Site ta\u015f\u0131ma veya domain de\u011fi\u015fimi yap\u0131ld\u0131ysa<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kritik g\u00fcvenlik g\u00fcncellemesi uyguland\u0131ysa<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yanl\u0131\u015f i\u00e7erik cache\u2019e al\u0131nd\u0131ysa<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">En do\u011fru yakla\u015f\u0131m, t\u00fcm cache\u2019i s\u00fcrekli temizlemek yerine de\u011fi\u015fen i\u00e7erik i\u00e7in hedefli purge yapmakt\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Guvenlik_Riski_Olusturur_mu\"><\/span><b>Cache G\u00fcvenlik Riski Olu\u015fturur mu?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache do\u011fru yap\u0131land\u0131r\u0131lmazsa g\u00fcvenlik riski olu\u015fturabilir. \u00d6zellikle kullan\u0131c\u0131ya \u00f6zel bilgilerin public cache\u2019e al\u0131nmas\u0131 ciddi bir problemdir. Bir kullan\u0131c\u0131n\u0131n hesab\u0131na ait bilgi ba\u015fka bir kullan\u0131c\u0131ya g\u00f6sterilirse veri gizlili\u011fi ihlali olu\u015fabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache kaynakl\u0131 g\u00fcvenlik riskleri:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131ya \u00f6zel sayfalar\u0131n cache\u2019lenmesi<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Oturum bilgisi i\u00e7eren i\u00e7eriklerin public cache\u2019e al\u0131nmas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00d6deme veya sepet bilgilerinin cache\u2019de tutulmas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yetkili panel sayfalar\u0131n\u0131n cache\u2019den sunulmas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yanl\u0131\u015f varyasyon y\u00f6netimi nedeniyle kullan\u0131c\u0131 verilerinin kar\u0131\u015fmas\u0131<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bu nedenle ki\u015fisel veri, \u00f6deme bilgisi veya kullan\u0131c\u0131 oturumu i\u00e7eren sayfalar cache kapsam\u0131 d\u0131\u015f\u0131nda b\u0131rak\u0131lmal\u0131d\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cache_Performans_Icin_Tek_Basina_Yeterli_mi\"><\/span><b>Cache Performans \u0130\u00e7in Tek Ba\u015f\u0131na Yeterli mi?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cache web performans\u0131 i\u00e7in \u00e7ok \u00f6nemlidir ancak tek ba\u015f\u0131na yeterli de\u011fildir. Site yava\u015fsa bunun nedeni yaln\u0131zca cache eksikli\u011fi olmayabilir. G\u00f6rsellerin optimize edilmemesi, a\u011f\u0131r JavaScript kullan\u0131m\u0131, k\u00f6t\u00fc sunucu altyap\u0131s\u0131, verimsiz veritaban\u0131 sorgular\u0131, render-blocking kaynaklar veya \u00fc\u00e7\u00fcnc\u00fc parti scriptler de performans\u0131 etkileyebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cache ile birlikte de\u011ferlendirilmesi gereken performans alanlar\u0131:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00f6rsel optimizasyonu<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lazy load kullan\u0131m\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CSS ve JavaScript optimizasyonu<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sunucu yan\u0131t s\u00fcresi<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN kullan\u0131m\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Veritaban\u0131 optimizasyonu<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Font optimizasyonu<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gereksiz \u00fc\u00e7\u00fcnc\u00fc parti scriptlerin azalt\u0131lmas\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mobil performans<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Core Web Vitals iyile\u015ftirmeleri<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cache, performans stratejisinin g\u00fc\u00e7l\u00fc bir par\u00e7as\u0131d\u0131r; ancak b\u00fct\u00fcnsel optimizasyonla birlikte daha etkili sonu\u00e7 verir.<\/span><\/p>\n<p>Benzer blog yaz\u0131lar\u0131n\u0131 <a href=\"https:\/\/www.domainsorgulama.com\/blog\/\">buradan<\/a>\u00a0g\u00f6r\u00fcnt\u00fcleyebilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cache, daha \u00f6nce eri\u015filen verilerin ge\u00e7ici olarak saklanmas\u0131 ve sonraki isteklerde bu verilerin daha h\u0131zl\u0131 sunulmas\u0131 i\u00e7in kullan\u0131lan bir performans y\u00f6ntemidir. T\u00fcrk\u00e7ede genellikle \u201c\u00f6nbellek\u201d olarak ifade edilir. Web siteleri a\u00e7\u0131s\u0131ndan cache; g\u00f6rsellerin, CSS dosyalar\u0131n\u0131n, JavaScript dosyalar\u0131n\u0131n, HTML \u00e7\u0131kt\u0131lar\u0131n\u0131n, API yan\u0131tlar\u0131n\u0131n veya veritaban\u0131 sorgular\u0131n\u0131n belirli bir s\u00fcre saklanarak yeniden olu\u015fturulmadan kullan\u0131c\u0131ya sunulmas\u0131n\u0131 sa\u011flar. Bir kullan\u0131c\u0131 bir [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":1980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1976","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-domain"],"views":4,"_links":{"self":[{"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/posts\/1976","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/comments?post=1976"}],"version-history":[{"count":1,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/posts\/1976\/revisions"}],"predecessor-version":[{"id":1981,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/posts\/1976\/revisions\/1981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/media\/1980"}],"wp:attachment":[{"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/media?parent=1976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/categories?post=1976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/tags?post=1976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}