{"id":2744,"date":"2026-10-05T15:00:00","date_gmt":"2026-10-05T12:00:00","guid":{"rendered":"https:\/\/narhost.com\/blog\/?p=2744"},"modified":"2026-09-26T23:16:30","modified_gmt":"2026-09-26T20:16:30","slug":"http-3-nedir","status":"publish","type":"post","link":"https:\/\/narhost.com\/blog\/http-3-nedir\/","title":{"rendered":"HTTP\/3 Nedir, HTTP\/2&#8217;den Fark\u0131 ve Site H\u0131z\u0131na Etkisi"},"content":{"rendered":"<div id=\"ai-ozet\" class=\"ai-box\">\n<p class=\"ai-box-title\">K\u0131saca \u00f6zet<\/p>\n<ul>\n<li>HTTP 3 nedir sorusunun k\u0131sa cevab\u0131: HTTP\/3, web&#8217;in aktar\u0131m protokol\u00fcn\u00fcn TCP yerine UDP tabanl\u0131 QUIC \u00fczerinde \u00e7al\u0131\u015fan \u00fc\u00e7\u00fcnc\u00fc ana s\u00fcr\u00fcm\u00fcd\u00fcr ve Haziran 2022&#8217;de RFC 9114 ile standartla\u015ft\u0131.<\/li>\n<li>HTTP\/2 tek bir TCP ba\u011flant\u0131s\u0131nda birden \u00e7ok iste\u011fi ta\u015f\u0131r ama kaybolan tek bir paket b\u00fct\u00fcn ak\u0131\u015flar\u0131 bekletir; HTTP\/3&#8217;te her ak\u0131\u015f ba\u011f\u0131ms\u0131zd\u0131r, kay\u0131p yaln\u0131z ilgili ak\u0131\u015f\u0131 etkiler.<\/li>\n<li>QUIC, ba\u011flant\u0131 kurulumunu ve TLS 1.3 el s\u0131k\u0131\u015fmas\u0131n\u0131 birle\u015ftirir; yeni ba\u011flant\u0131da bir gidi\u015f-d\u00f6n\u00fc\u015f, daha \u00f6nce ba\u011flan\u0131lm\u0131\u015f sunucuda s\u0131f\u0131r gidi\u015f-d\u00f6n\u00fc\u015f m\u00fcmk\u00fcnd\u00fcr.<\/li>\n<li>Fark\u0131 en \u00e7ok paket kayb\u0131 y\u00fcksek mobil a\u011flarda ve uzak ziyaret\u00e7ilerde g\u00f6r\u00fcrs\u00fcn\u00fcz; h\u0131zl\u0131 ve kararl\u0131 bir fiber ba\u011flant\u0131da HTTP\/2 ile aras\u0131ndaki fark k\u00fc\u00e7\u00fckt\u00fcr.<\/li>\n<li>G\u00fcncel Chrome, Edge, Firefox ve Safari HTTP\/3&#8217;\u00fc destekler; sitenizin destekleyip desteklemedi\u011fini taray\u0131c\u0131n\u0131n A\u011f sekmesindeki Protokol s\u00fctunundan ya da alt-svc yan\u0131t ba\u015fl\u0131\u011f\u0131ndan anlars\u0131n\u0131z.<\/li>\n<\/ul>\n<\/div>\n<p>Hosting paketlerinde ve CDN ayarlar\u0131nda giderek daha s\u0131k &#8220;HTTP\/3 deste\u011fi&#8221; ibaresiyle kar\u015f\u0131la\u015f\u0131yorsunuz. HTTP 3 nedir, HTTP\/2&#8217;den ger\u00e7ekten farkl\u0131 m\u0131, sitenizi h\u0131zland\u0131r\u0131r m\u0131 sorusu da ard\u0131ndan geliyor. K\u0131sa cevap \u015fu: HTTP\/3 sayfan\u0131n i\u00e7eri\u011fini de\u011fi\u015ftirmez, ama i\u00e7eri\u011fin a\u011f \u00fczerinde ta\u015f\u0131nma bi\u00e7imini de\u011fi\u015ftirir. Bu de\u011fi\u015fiklik baz\u0131 ziyaret\u00e7ileriniz i\u00e7in belirgin, baz\u0131lar\u0131 i\u00e7in neredeyse g\u00f6r\u00fcnmez bir fark yarat\u0131r.<\/p>\n<h2>HTTP 3 Nedir, QUIC \u00dczerinde Nas\u0131l \u00c7al\u0131\u015f\u0131r<\/h2>\n<p>HTTP, taray\u0131c\u0131n\u0131n sunucudan sayfa, g\u00f6rsel ve dosya istemek i\u00e7in kulland\u0131\u011f\u0131 dildir. \u0130lk iki ana s\u00fcr\u00fcm TCP adl\u0131 aktar\u0131m protokol\u00fcn\u00fcn \u00fczerinde \u00e7al\u0131\u015f\u0131r. HTTP\/3 ise TCP&#8217;yi b\u0131rak\u0131p QUIC adl\u0131 yeni bir aktar\u0131m katman\u0131na ge\u00e7er. QUIC, UDP \u00fczerinde \u00e7al\u0131\u015f\u0131r ve TCP&#8217;nin g\u00fcvenilirlik, s\u0131ralama ve t\u0131kan\u0131kl\u0131k kontrol\u00fc gibi g\u00f6revlerini kendi i\u00e7inde yeniden kurar.<\/p>\n<p>Protokol\u00fcn tan\u0131m\u0131 <a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc9114\" title=\"IETF \u2014 RFC 9114, HTTP\/3\" target=\"_blank\" rel=\"noopener\">IETF&#8217;in RFC 9114 belgesinde<\/a> yer al\u0131r ve Haziran 2022&#8217;de yay\u0131mland\u0131. Alt\u0131ndaki QUIC katman\u0131 bir y\u0131l \u00f6nce, May\u0131s 2021&#8217;de <a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc9000\" title=\"IETF \u2014 RFC 9000, QUIC aktar\u0131m protokol\u00fc\" target=\"_blank\" rel=\"noopener\">RFC 9000<\/a> ile standartla\u015fm\u0131\u015ft\u0131. HTTP 3 nedir sorusuna en teknik cevap da budur: HTTP anlam\u0131n\u0131 koruyan, ama ta\u015f\u0131ma i\u015fini QUIC&#8217;e devreden bir s\u00fcr\u00fcm.<\/p>\n<div class=\"highlight-box\">\n<p class=\"label\">Bilgi<\/p>\n<p>QUIC&#8217;te \u015fifreleme iste\u011fe ba\u011fl\u0131 de\u011fildir. TLS 1.3 protokol\u00fcn i\u00e7ine yerle\u015fiktir; \u015fifresiz HTTP\/3 diye bir \u015fey yoktur. Bu y\u00fczden HTTP\/3 yaln\u0131z ge\u00e7erli bir SSL sertifikas\u0131 olan https adreslerinde \u00e7al\u0131\u015f\u0131r.<\/p>\n<\/div>\n<h2>HTTP\/1.1, HTTP\/2 ve HTTP\/3 Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/h2>\n<p>\u00dc\u00e7 s\u00fcr\u00fcm\u00fcn fark\u0131 ayn\u0131 ba\u015fl\u0131klar alt\u0131nda yan yana konunca netle\u015fir. Tablo, sayfa h\u0131z\u0131na etki eden ba\u015fl\u0131ca \u00f6zellikleri \u00f6zetliyor.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>HTTP\/1.1<\/th>\n<th>HTTP\/2<\/th>\n<th>HTTP\/3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Aktar\u0131m katman\u0131<\/td>\n<td>TCP<\/td>\n<td>TCP<\/td>\n<td>QUIC (UDP \u00fczerinde)<\/td>\n<\/tr>\n<tr>\n<td>Ayn\u0131 ba\u011flant\u0131da e\u015fzamanl\u0131 istek<\/td>\n<td>Yok, taray\u0131c\u0131 birden \u00e7ok ba\u011flant\u0131 a\u00e7ar<\/td>\n<td>Var, ak\u0131\u015flar tek ba\u011flant\u0131da<\/td>\n<td>Var, ak\u0131\u015flar birbirinden ba\u011f\u0131ms\u0131z<\/td>\n<\/tr>\n<tr>\n<td>Paket kayb\u0131nda davran\u0131\u015f<\/td>\n<td>Etkilenen ba\u011flant\u0131 bekler<\/td>\n<td>T\u00fcm ak\u0131\u015flar bekler<\/td>\n<td>Yaln\u0131z kayb\u0131n oldu\u011fu ak\u0131\u015f bekler<\/td>\n<\/tr>\n<tr>\n<td>\u015eifreleme<\/td>\n<td>\u0130ste\u011fe ba\u011fl\u0131 TLS<\/td>\n<td>Pratikte TLS<\/td>\n<td>TLS 1.3 zorunlu ve yerle\u015fik<\/td>\n<\/tr>\n<tr>\n<td>A\u011f de\u011fi\u015fiminde ba\u011flant\u0131<\/td>\n<td>Yeniden kurulur<\/td>\n<td>Yeniden kurulur<\/td>\n<td>Ba\u011flant\u0131 kimli\u011fiyle s\u00fcrd\u00fcr\u00fclebilir<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Head-of-Line Blocking Sorunu ve HTTP\/3&#8217;\u00fcn \u00c7\u00f6z\u00fcm\u00fc<\/h2>\n<p>HTTP\/2&#8217;nin en b\u00fcy\u00fck yenili\u011fi, tek bir ba\u011flant\u0131 \u00fczerinden onlarca dosyay\u0131 ayn\u0131 anda ta\u015f\u0131yabilmesiydi. Sorun, bu ak\u0131\u015flar\u0131n hepsinin alt\u0131nda tek bir TCP ba\u011flant\u0131s\u0131n\u0131n olmas\u0131d\u0131r. TCP verinin s\u0131rayla teslim edilmesini garanti eder; bir paket yolda kaybolursa, arkas\u0131ndan gelen paketler ba\u015fka dosyalara ait olsa bile, kay\u0131p paket yeniden gelene kadar uygulamaya verilmez. Buna &#8220;head-of-line blocking&#8221;, yani s\u0131ran\u0131n ba\u015f\u0131ndaki engelin b\u00fct\u00fcn s\u0131ray\u0131 durdurmas\u0131 denir.<\/p>\n<p>HTTP\/3&#8217;te her ak\u0131\u015f QUIC i\u00e7inde kendi s\u0131ras\u0131n\u0131 tutar. Bir CSS dosyas\u0131na ait paket kayboldu\u011funda yaln\u0131z o dosya bekler; ayn\u0131 anda inen g\u00f6rseller ve betikler yoluna devam eder. Kay\u0131ps\u0131z bir a\u011fda iki s\u00fcr\u00fcm aras\u0131nda fark azd\u0131r. Kay\u0131p artt\u0131k\u00e7a HTTP\/2&#8217;nin tek ba\u011flant\u0131s\u0131 darbo\u011faza d\u00f6n\u00fc\u015f\u00fcr, HTTP\/3 ise bu darbo\u011faz\u0131 ya\u015famaz.<\/p>\n<div class=\"senaryo-block\">\n<p class=\"label\">\u00d6rnek senaryo<\/p>\n<p>Bir y\u00f6resel \u00fcr\u00fcn ma\u011fazas\u0131n\u0131n ziyaret\u00e7ilerinin y\u00fczde 70&#8217;i telefondan, \u00e7o\u011fu da hareket h\u00e2lindeyken geliyor. Ma\u011faza CDN katman\u0131nda HTTP\/3&#8217;\u00fc a\u00e7t\u0131ktan sonra ger\u00e7ek kullan\u0131c\u0131 verisinde masa\u00fcst\u00fc ziyaret\u00e7ilerin sayfa y\u00fckleme s\u00fcresi neredeyse ayn\u0131 kal\u0131yor, mobil ziyaret\u00e7ilerde ise en yava\u015f y\u00fczde 25&#8217;lik dilimin s\u00fcreleri k\u0131sal\u0131yor. Kazan\u00e7 ortalamada de\u011fil, zay\u0131f ba\u011flant\u0131daki kullan\u0131c\u0131larda ortaya \u00e7\u0131k\u0131yor.<\/p>\n<\/div>\n<h2>Mobil A\u011flarda ve Uzak Ziyaret\u00e7ilerde Etkisi<\/h2>\n<p>Mobil ba\u011flant\u0131lar iki a\u00e7\u0131dan HTTP\/3&#8217;\u00fcn lehine \u00e7al\u0131\u015f\u0131r. Birincisi paket kayb\u0131 ve gecikme mobil a\u011flarda sabit hatlara g\u00f6re y\u00fcksektir; ba\u011f\u0131ms\u0131z ak\u0131\u015flar burada fark yarat\u0131r. \u0130kincisi telefon Wi-Fi&#8217;dan h\u00fccresel a\u011fa ge\u00e7ti\u011finde IP adresi de\u011fi\u015fir. TCP ba\u011flant\u0131s\u0131 bu de\u011fi\u015fiklikte kopar ve yeniden kurulmak zorundad\u0131r. QUIC ise ba\u011flant\u0131y\u0131 IP adresine de\u011fil bir ba\u011flant\u0131 kimli\u011fine ba\u011flad\u0131\u011f\u0131 i\u00e7in a\u011f de\u011fi\u015fse de oturumu s\u00fcrd\u00fcrebilir.<\/p>\n<p>Ba\u011flant\u0131 kurulum s\u00fcresi de k\u0131sal\u0131r. TCP ve TLS ayr\u0131 ayr\u0131 el s\u0131k\u0131\u015ft\u0131\u011f\u0131 i\u00e7in HTTP\/2&#8217;de ilk veriden \u00f6nce birka\u00e7 gidi\u015f-d\u00f6n\u00fc\u015f gerekir. QUIC bu iki ad\u0131m\u0131 birle\u015ftirir. Sunucuya uzak ziyaret\u00e7ilerde, yani her gidi\u015f-d\u00f6n\u00fc\u015f\u00fcn uzun s\u00fcrd\u00fc\u011f\u00fc durumlarda, bu k\u0131salma ilk bayta kadar ge\u00e7en s\u00fcreye do\u011frudan yans\u0131r. Ziyaret\u00e7ileriniz sunucudan uzaksa ayn\u0131 sorunu <a href=\"https:\/\/narhost.com\/blog\/cdn-gerekir-mi\/\" title=\"Web Siteniz \u0130\u00e7in CDN Gerekir mi \u2014 Narhost Blog\">CDN gerekir mi yaz\u0131s\u0131nda<\/a> anlat\u0131lan \u00f6nbellek katman\u0131 da hafifletir.<\/p>\n<div class=\"warn-box\">\n<p class=\"label\">Dikkat<\/p>\n<p>HTTP\/3 yava\u015f bir uygulamay\u0131 h\u0131zland\u0131rmaz. Sunucu sayfay\u0131 \u00fcretmek i\u00e7in iki saniye harc\u0131yorsa protokol de\u011fi\u015fikli\u011fi bu s\u00fcreyi k\u0131saltmaz. \u00d6nce sayfa \u00f6nbelle\u011fi, veritaban\u0131 sorgular\u0131 ve g\u00f6rsel boyutlar\u0131 gibi temel konular d\u00fczeltilmelidir; HTTP\/3 bunlar\u0131n \u00fcst\u00fcne gelen bir iyile\u015ftirmedir.<\/p>\n<\/div>\n<figure class=\"nh-sema\"><img loading=\"lazy\" src=\"https:\/\/narhost.com\/blog\/wp-content\/uploads\/2026\/09\/http-3-nedir-sema-narhost.webp\" alt=\"http 3 nedir sorusunu QUIC ba\u011flant\u0131s\u0131, TLS 1.3, ba\u011f\u0131ms\u0131z ak\u0131\u015flar ve alt-svc ad\u0131mlar\u0131yla anlatan \u015fema\" width=\"1200\" height=\"500\" loading=\"lazy\" decoding=\"async\"><figcaption>Taray\u0131c\u0131 HTTP\/3&#x27;\u00fc sunucunun alt-svc bildiriminden \u00f6\u011frenir, sonraki isteklerde QUIC \u00fczerinden ba\u011f\u0131ms\u0131z ak\u0131\u015flarla ba\u011flan\u0131r.<\/figcaption><\/figure>\n<h2>Taray\u0131c\u0131 ve Sunucu Deste\u011fi<\/h2>\n<p>G\u00fcncel Chrome, Edge, Firefox ve Safari s\u00fcr\u00fcmleri HTTP\/3&#8217;\u00fc destekler; <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Glossary\/HTTP_3\" title=\"MDN Web Docs \u2014 HTTP\/3 s\u00f6zl\u00fck maddesi\" target=\"_blank\" rel=\"noopener\">MDN&#8217;in HTTP\/3 maddesi<\/a> protokol\u00fcn genel \u00e7er\u00e7evesini \u00f6zetliyor. Taray\u0131c\u0131 bir siteye ilk kez ba\u011fland\u0131\u011f\u0131nda genelde HTTP\/2 ile ba\u015flar. Sunucu yan\u0131t\u0131nda alt-svc ba\u015fl\u0131\u011f\u0131yla &#8220;HTTP\/3 de konu\u015fabilirim&#8221; bilgisini verirse taray\u0131c\u0131 sonraki isteklerde HTTP\/3&#8217;e ge\u00e7er. Kurumsal a\u011flarda UDP trafi\u011fini engelleyen bir g\u00fcvenlik duvar\u0131 varsa taray\u0131c\u0131 sorunsuzca HTTP\/2&#8217;ye geri d\u00f6ner; ziyaret\u00e7i bundan etkilenmez.<\/p>\n<p>Sunucu taraf\u0131nda destek, web sunucusu yaz\u0131l\u0131m\u0131na ve a\u011f katman\u0131na ba\u011fl\u0131d\u0131r. LiteSpeed, Nginx&#8217;in g\u00fcncel s\u00fcr\u00fcmleri ve CDN hizmetlerinin \u00e7o\u011fu HTTP\/3 sunabilir; ancak yaz\u0131l\u0131m\u0131n desteklemesi, hizmetin o sunucuda a\u00e7\u0131k oldu\u011fu anlam\u0131na gelmez. Web sunucusu se\u00e7eneklerinin genel farklar\u0131 <a href=\"https:\/\/narhost.com\/blog\/litespeed-mi-apache-mi-nginx-mi\/\" title=\"LiteSpeed mi Apache mi Nginx mi, Site H\u0131z\u0131na Etkisi Ne \u2014 Narhost Blog\">LiteSpeed mi Apache mi Nginx mi yaz\u0131s\u0131nda<\/a> anlat\u0131l\u0131yor.<\/p>\n<h2>Siteniz HTTP\/3 Destekliyor mu, Nas\u0131l Anla\u015f\u0131l\u0131r<\/h2>\n<p>En kolay yol taray\u0131c\u0131n\u0131n geli\u015ftirici ara\u00e7lar\u0131d\u0131r. Chrome&#8217;da sayfay\u0131 a\u00e7\u0131n, A\u011f sekmesinde s\u00fctun ba\u015fl\u0131\u011f\u0131na sa\u011f t\u0131klay\u0131p Protokol s\u00fctununu ekleyin ve sayfay\u0131 iki kez yenileyin. \u0130kinci yenilemede &#8220;h3&#8221; g\u00f6r\u00fcyorsan\u0131z ba\u011flant\u0131 HTTP\/3 \u00fczerindendir; &#8220;h2&#8221; g\u00f6r\u00fcyorsan\u0131z HTTP\/2 kullan\u0131l\u0131yordur. \u0130lk y\u00fcklemede h2 g\u00f6rmek normaldir, \u00e7\u00fcnk\u00fc taray\u0131c\u0131 HTTP\/3&#8217;\u00fc sunucudan \u00f6\u011frendikten sonra kullan\u0131r.<\/p>\n<p>\u0130kinci yol yan\u0131t ba\u015fl\u0131klar\u0131na bakmakt\u0131r. Belge iste\u011finin yan\u0131t ba\u015fl\u0131klar\u0131 aras\u0131nda alt-svc sat\u0131r\u0131 ve i\u00e7inde h3 ibaresi varsa sunucu HTTP\/3 ilan ediyor demektir. Sitenizde SSL yoksa ya da https y\u00f6nlendirmesi eksikse \u00f6nce onu tamamlaman\u0131z gerekir; WordPress i\u00e7in ad\u0131mlar <a href=\"https:\/\/narhost.com\/destek\/adim-adim-wordpress-ssl-kurulumu-ve-https-yonlendirme-ayarlari-nasil-yapilir\/\" title=\"WordPress&#039;te HTTPS&#039;e Ge\u00e7i\u015f Nas\u0131l Yap\u0131l\u0131r \u2014 Narhost Destek Merkezi\">WordPress&#8217;te HTTPS&#8217;e ge\u00e7i\u015f kart\u0131nda<\/a> yer al\u0131yor.<\/p>\n<div class=\"success-box\">\n<p class=\"label\">Sonu\u00e7<\/p>\n<p>HTTP 3 nedir sorusunun pratik \u00f6zeti \u015fudur: ayn\u0131 web, daha dayan\u0131kl\u0131 bir ta\u015f\u0131ma katman\u0131. Mobil ve uzak ziyaret\u00e7isi \u00e7ok olan sitelerde anlaml\u0131 bir iyile\u015ftirmedir, h\u0131zl\u0131 sabit hatlarda fark k\u00fc\u00e7\u00fckt\u00fcr. A\u00e7\u0131k olup olmad\u0131\u011f\u0131n\u0131 A\u011f sekmesindeki h3 ibaresinden kontrol edin, ama as\u0131l h\u0131z kazanc\u0131n\u0131 \u00f6nce uygulama ve \u00f6nbellekte aray\u0131n.<\/p>\n<\/div>\n<h2>Hosting Se\u00e7erken HTTP\/3&#8217;\u00fc Nereye Koymal\u0131<\/h2>\n<p>HTTP\/3 deste\u011fi hosting se\u00e7iminde belirleyici \u00f6l\u00e7\u00fct de\u011fil, tamamlay\u0131c\u0131 bir \u00f6zelliktir. Disk t\u00fcr\u00fc, web sunucusu yaz\u0131l\u0131m\u0131, PHP s\u00fcr\u00fcm se\u00e7enekleri ve kaynak s\u0131n\u0131rlar\u0131 sitenizin h\u0131z\u0131n\u0131 \u00e7ok daha fazla belirler. Karar s\u0131ras\u0131n\u0131 <a href=\"https:\/\/narhost.com\/blog\/hosting-nasil-secilir\/\" title=\"Hosting Nas\u0131l Se\u00e7ilir \u2014 Narhost Blog\">hosting nas\u0131l se\u00e7ilir rehberi<\/a> ayr\u0131nt\u0131l\u0131 veriyor. Narhost web hosting paketleri LiteSpeed web sunucusu ve NVMe disk \u00fczerinde \u00e7al\u0131\u015f\u0131r, SSL sertifikas\u0131 \u00fccretsiz gelir; paket ayr\u0131nt\u0131lar\u0131 <a href=\"https:\/\/narhost.com\/web-hosting\" title=\"Narhost Web Hosting paketleri\">web hosting paketleri<\/a> sayfas\u0131nda. Bir sitede protokol\u00fcn a\u00e7\u0131k olup olmad\u0131\u011f\u0131n\u0131 yukar\u0131daki y\u00f6ntemle kendiniz do\u011frulayabilirsiniz.<\/p>\n<h2>Kontrol Listesi, HTTP\/3&#8217;ten \u00d6nce ve Sonra<\/h2>\n<ul class=\"kontrol-listesi\">\n<li>Sitenin tamamen https \u00fczerinden a\u00e7\u0131ld\u0131\u011f\u0131n\u0131 ve SSL sertifikas\u0131n\u0131n ge\u00e7erli oldu\u011funu do\u011frulay\u0131n.<\/li>\n<li>A\u011f sekmesine Protokol s\u00fctununu ekleyip ikinci y\u00fcklemede h3 ya da h2 g\u00f6rd\u00fc\u011f\u00fcn\u00fcz\u00fc not edin.<\/li>\n<li>Belge yan\u0131t\u0131nda alt-svc ba\u015fl\u0131\u011f\u0131 olup olmad\u0131\u011f\u0131na bak\u0131n.<\/li>\n<li>Ziyaret\u00e7ilerinizin mobil ve masa\u00fcst\u00fc oran\u0131n\u0131 analiz arac\u0131n\u0131zdan \u00e7\u0131kar\u0131n.<\/li>\n<li>HTTP\/3 a\u00e7\u0131lmadan \u00f6nce ve sonra saha verisindeki y\u00fckleme s\u00fcrelerini kar\u015f\u0131la\u015ft\u0131r\u0131n.<\/li>\n<li>Sayfa \u00f6nbelle\u011fi ve g\u00f6rsel optimizasyonunu protokol de\u011fi\u015fikli\u011finden \u00f6nce tamamlay\u0131n.<\/li>\n<\/ul>\n<div class=\"kb-faq\">\n<h2>S\u0131k\u00e7a sorulan sorular<\/h2>\n<h3>HTTP 3 nedir ve SEO&#8217;ya do\u011frudan katk\u0131s\u0131 var m\u0131?<\/h3>\n<p>HTTP\/3, QUIC \u00fczerinde \u00e7al\u0131\u015fan aktar\u0131m s\u00fcr\u00fcm\u00fcd\u00fcr. Arama motorlar\u0131 kullan\u0131lan protokol\u00fc do\u011frudan bir s\u0131ralama \u00f6l\u00e7\u00fct\u00fc olarak de\u011ferlendirmez. Etki dolayl\u0131d\u0131r: \u00f6zellikle mobil ziyaret\u00e7ilerde sayfa y\u00fckleme s\u00fcresi k\u0131sal\u0131rsa Core Web Vitals de\u011ferleri iyile\u015febilir ve kullan\u0131c\u0131 deneyimi g\u00fc\u00e7lenir. Protokol\u00fc a\u00e7mak tek ba\u015f\u0131na s\u0131ralama kazand\u0131rmaz.<\/p>\n<h3>HTTP\/3 a\u00e7\u0131nca HTTP\/2 deste\u011fi kalkar m\u0131?<\/h3>\n<p>Kalkmaz. Sunucular HTTP\/3&#8217;\u00fc HTTP\/2 ve HTTP\/1.1 ile birlikte sunar. Taray\u0131c\u0131 HTTP\/3&#8217;\u00fc destekliyorsa ve a\u011f UDP trafi\u011fine izin veriyorsa onu kullan\u0131r; aksi h\u00e2lde HTTP\/2 ile devam eder. Eski taray\u0131c\u0131lar ve UDP&#8217;yi engelleyen a\u011flar siteye eri\u015fmeye devam eder.<\/p>\n<h3>HTTP\/3 i\u00e7in ayr\u0131 bir SSL sertifikas\u0131 gerekir mi?<\/h3>\n<p>Gerekmez. Sitenin mevcut SSL sertifikas\u0131 HTTP\/3 i\u00e7in de kullan\u0131l\u0131r. \u015eart olan, sertifikan\u0131n ge\u00e7erli olmas\u0131 ve sunucunun TLS 1.3 desteklemesidir, \u00e7\u00fcnk\u00fc QUIC \u015fifrelemeyi TLS 1.3 ile yapar. \u00dccretsiz sertifikalar da bu i\u015f i\u00e7in yeterlidir.<\/p>\n<h3>A\u011f sekmesinde neden h\u00e2l\u00e2 h2 g\u00f6r\u00fcyorum?<\/h3>\n<p>\u0130lk y\u00fcklemede h2 g\u00f6rmek normaldir; taray\u0131c\u0131 HTTP\/3 bilgisini sunucunun alt-svc ba\u015fl\u0131\u011f\u0131ndan \u00f6\u011frenir ve sonraki isteklerde kullan\u0131r. Sayfay\u0131 yeniledikten sonra da h2 g\u00f6r\u00fcyorsan\u0131z sunucu ya da CDN HTTP\/3 ilan etmiyor, ya da bulundu\u011funuz a\u011f UDP trafi\u011fini engelliyor olabilir.<\/p>\n<h3>HTTP\/3 sunucu kaynak kullan\u0131m\u0131n\u0131 art\u0131r\u0131r m\u0131?<\/h3>\n<p>QUIC \u015fifreleme ve paket y\u00f6netimini i\u015fletim sistemi \u00e7ekirde\u011fi yerine uygulama katman\u0131nda yapt\u0131\u011f\u0131 i\u00e7in ayn\u0131 trafik i\u00e7in biraz daha fazla i\u015flemci harcayabilir. Payla\u015f\u0131ml\u0131 hostingte bu y\u00fck sa\u011flay\u0131c\u0131n\u0131n altyap\u0131s\u0131nda kal\u0131r. Kendi sunucunuzda a\u00e7\u0131yorsan\u0131z yo\u011fun trafikte i\u015flemci kullan\u0131m\u0131n\u0131 izlemekte fayda vard\u0131r.<\/p>\n<\/div>\n<div class=\"cta-box\">\n<p class=\"label\">Narhost&#8217;ta<\/p>\n<p>Web hosting paketlerimiz LiteSpeed web sunucusu ve NVMe disk \u00fczerinde \u00e7al\u0131\u015f\u0131r, SSL sertifikas\u0131 \u00fccretsiz gelir.<\/p>\n<p><a class=\"cta-btn\" href=\"https:\/\/narhost.com\/web-hosting\" title=\"Narhost Web Hosting paketleri\">Web hosting paketlerini incele<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>HTTP 3 nedir sorusunun k\u0131sa cevab\u0131: web&#8217;in aktar\u0131m protokol\u00fcn\u00fcn TCP yerine UDP tabanl\u0131 QUIC \u00fczerinde \u00e7al\u0131\u015fan \u00fc\u00e7\u00fcnc\u00fc ana s\u00fcr\u00fcm\u00fcd\u00fcr. HTTP\/2&#8217;den fark\u0131, mobil a\u011flardaki etkisi, taray\u0131c\u0131 deste\u011fi ve sitenizde a\u00e7\u0131k olup olmad\u0131\u011f\u0131n\u0131 anlama yolu bu yaz\u0131da.<\/p>\n","protected":false},"author":1,"featured_media":2745,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hosting"],"_links":{"self":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/2744","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/comments?post=2744"}],"version-history":[{"count":1,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/2744\/revisions"}],"predecessor-version":[{"id":2746,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/2744\/revisions\/2746"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/media\/2745"}],"wp:attachment":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/media?parent=2744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/categories?post=2744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/tags?post=2744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}