{"id":1518,"date":"2026-07-12T10:37:47","date_gmt":"2026-07-12T07:37:47","guid":{"rendered":"https:\/\/verimin.com.tr\/blog\/?p=1518"},"modified":"2026-07-12T10:37:47","modified_gmt":"2026-07-12T07:37:47","slug":"http2-http3","status":"publish","type":"post","link":"https:\/\/verimin.com.tr\/blog\/http2-http3\/","title":{"rendered":"HTTP\/2 ve HTTP\/3 Nedir? Aralar\u0131ndaki Farklar Nelerdir?"},"content":{"rendered":"<p>HTTP\/2 ve HTTP\/3, taray\u0131c\u0131 ile sunucu aras\u0131ndaki aktar\u0131m\u0131 h\u0131zland\u0131ran modern HTTP s\u00fcr\u00fcmleridir. Semrush\u2019ta \u201chttp 3\u201d 110 hacim\/KD 23, \u201chttp 3 quic\u201d ve \u201chttp 3 vs http 2\u201d sorgular\u0131 20\u2019\u015fer hacimdir. Questions b\u00f6l\u00fcm\u00fcnde do\u011frudan \u201chow does HTTP\/3 work\u201d sorusu g\u00f6r\u00fclmektedir.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 ez-toc-wrap-left counter-flat ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<div class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7erik Ba\u015fl\u0131klar\u0131:<\/div>\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'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#HTTP2_ve_HTTP3_nedir\" title=\"HTTP\/2 ve HTTP\/3 nedir?\">HTTP\/2 ve HTTP\/3 nedir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#HTTP2_Nasil_Calisir\" title=\"HTTP\/2 Nas\u0131l \u00c7al\u0131\u015f\u0131r?\">HTTP\/2 Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#HTTP2_kullanilirken_dosyalar_birlestirilmeli_midir\" title=\"HTTP\/2 kullan\u0131l\u0131rken dosyalar birle\u015ftirilmeli midir?\">HTTP\/2 kullan\u0131l\u0131rken dosyalar birle\u015ftirilmeli midir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#HTTP3_Ne_Saglar\" title=\"HTTP\/3 Ne Sa\u011flar?\">HTTP\/3 Ne Sa\u011flar?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#HTTP3_nasil_calisir\" title=\"HTTP\/3 nas\u0131l \u00e7al\u0131\u015f\u0131r?\">HTTP\/3 nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#QUIC_nedir\" title=\"QUIC nedir?\">QUIC nedir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#HTTP2_ile_HTTP3_arasindaki_temel_fark_nedir\" title=\"HTTP\/2 ile HTTP\/3 aras\u0131ndaki temel fark nedir?\">HTTP\/2 ile HTTP\/3 aras\u0131ndaki temel fark nedir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#HTTP3_her_zaman_daha_hizli_midir\" title=\"HTTP\/3 her zaman daha h\u0131zl\u0131 m\u0131d\u0131r?\">HTTP\/3 her zaman daha h\u0131zl\u0131 m\u0131d\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#HTTP3_destegi_nasil_kontrol_edilir\" title=\"HTTP\/3 deste\u011fi nas\u0131l kontrol edilir?\">HTTP\/3 deste\u011fi nas\u0131l kontrol edilir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#HTTP3_sunucuda_nasil_etkinlestirilir\" title=\"HTTP\/3 sunucuda nas\u0131l etkinle\u015ftirilir?\">HTTP\/3 sunucuda nas\u0131l etkinle\u015ftirilir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/verimin.com.tr\/blog\/http2-http3\/#HTTP3_SEOyu_etkiler_mi\" title=\"HTTP\/3 SEO\u2019yu etkiler mi?\">HTTP\/3 SEO\u2019yu etkiler mi?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"HTTP2_ve_HTTP3_nedir\"><\/span>HTTP\/2 ve HTTP\/3 nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>HTTP\/2, HTTP isteklerini tek TCP ba\u011flant\u0131s\u0131nda \u00e7oklar ve ba\u015fl\u0131klar\u0131 s\u0131k\u0131\u015ft\u0131r\u0131r. HTTP\/3 ayn\u0131 HTTP anlam\u0131n\u0131 korur fakat QUIC \u00fczerinden \u00e7al\u0131\u015f\u0131r. \u0130ki protokol de \u00e7ok dosyal\u0131 modern sayfalarda ba\u011flant\u0131 maliyetini azaltmay\u0131 ama\u00e7lar.<\/p>\n<p>Protokol deste\u011fi sunucu ve TLS yap\u0131land\u0131rmas\u0131na ba\u011fl\u0131 oldu\u011fundan <a href=\"https:\/\/verimin.com.tr\/web-hosting\">web hosting altyap\u0131s\u0131n\u0131n<\/a> HTTP\/2 ve HTTP\/3 deste\u011fi ayr\u0131ca do\u011frulanmal\u0131d\u0131r.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"HTTP2_Nasil_Calisir\"><\/span>HTTP\/2 Nas\u0131l \u00c7al\u0131\u015f\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http2-calisma.avif\" alt=\"HTTP\/2 Nas\u0131l \u00c7al\u0131\u015f\u0131r?\" class=\"wp-image-1516\" srcset=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http2-calisma.avif 1672w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http2-calisma-300x169.avif 300w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http2-calisma-1024x576.avif 1024w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http2-calisma-768x432.avif 768w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http2-calisma-1536x864.avif 1536w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http2-calisma-195x110.avif 195w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http2-calisma-390x220.avif 390w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http2-calisma-1170x658.avif 1170w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/figure>\n<p>\u0130stek ve yan\u0131tlar \u00e7er\u00e7evelere b\u00f6l\u00fcnerek ayn\u0131 TCP ba\u011flant\u0131s\u0131nda paralel ak\u0131\u015flar halinde ta\u015f\u0131n\u0131r. HPACK ba\u015fl\u0131k s\u0131k\u0131\u015ft\u0131rmas\u0131 tekrar eden header verisini azalt\u0131r. Ancak TCP seviyesindeki paket kayb\u0131 ba\u011flant\u0131daki di\u011fer ak\u0131\u015flar\u0131 k\u0131sa s\u00fcre bekletebilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"HTTP2_kullanilirken_dosyalar_birlestirilmeli_midir\"><\/span>HTTP\/2 kullan\u0131l\u0131rken dosyalar birle\u015ftirilmeli midir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tek CSS veya JavaScript dosyas\u0131 olu\u015fturmak eskisi kadar zorunlu de\u011fildir. Yine de y\u00fczlerce k\u00fc\u00e7\u00fck dosya taray\u0131c\u0131 ayr\u0131\u015ft\u0131rma maliyeti yaratabilir. Kod b\u00f6lme ve \u00f6nbellek stratejisi \u00f6l\u00e7\u00fcmle belirlenmelidir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"HTTP3_Ne_Saglar\"><\/span>HTTP\/3 Ne Sa\u011flar?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http3-fayda.avif\" alt=\"HTTP\/3 Ne Sa\u011flar?\" class=\"wp-image-1517\" srcset=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http3-fayda.avif 1672w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http3-fayda-300x169.avif 300w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http3-fayda-1024x576.avif 1024w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http3-fayda-768x432.avif 768w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http3-fayda-1536x864.avif 1536w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http3-fayda-195x110.avif 195w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http3-fayda-390x220.avif 390w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/http3-fayda-1170x658.avif 1170w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"HTTP3_nasil_calisir\"><\/span>HTTP\/3 nas\u0131l \u00e7al\u0131\u015f\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Semrush Questions\u2019daki do\u011frudan sorunun yan\u0131t\u0131 \u015fudur: HTTP\/3, g\u00fcvenli QUIC ba\u011flant\u0131s\u0131 \u00fczerinde ba\u011f\u0131ms\u0131z veri ak\u0131\u015flar\u0131 kurar. Bir ak\u0131\u015ftaki paket kayb\u0131 di\u011fer ak\u0131\u015flar\u0131n tamam\u0131n\u0131 TCP\u2019deki kadar bloke etmez.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"QUIC_nedir\"><\/span>QUIC nedir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>QUIC, UDP \u00fczerinde \u00e7al\u0131\u015fan, TLS 1.3 g\u00fcvenli\u011fini ba\u011flant\u0131n\u0131n i\u00e7ine alan bir ta\u015f\u0131ma protokol\u00fcd\u00fcr. Ba\u011flant\u0131 kurulumu h\u0131zlanabilir ve istemci Wi\u2011Fi\u2019dan mobil a\u011fa ge\u00e7erken ba\u011flant\u0131 kimli\u011fi korunabilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"HTTP2_ile_HTTP3_arasindaki_temel_fark_nedir\"><\/span>HTTP\/2 ile HTTP\/3 aras\u0131ndaki temel fark nedir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HTTP\/2 TCP; HTTP\/3 QUIC kullan\u0131r. HTTP\/3 paket kayb\u0131 ve de\u011fi\u015fken mobil a\u011flarda daha dayan\u0131kl\u0131 olabilir. HTTP semanti\u011fi de\u011fi\u015fmedi\u011fi i\u00e7in uygulama kodunun tamam\u0131n\u0131 yeniden yazmak gerekmez.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"HTTP3_her_zaman_daha_hizli_midir\"><\/span>HTTP\/3 her zaman daha h\u0131zl\u0131 m\u0131d\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hay\u0131r. Kazan\u00e7 gecikme, paket kayb\u0131, sunucu konumu, taray\u0131c\u0131 ve a\u011f cihazlar\u0131na ba\u011fl\u0131d\u0131r. Stabil ve yak\u0131n a\u011fda fark k\u00fc\u00e7\u00fck olabilir. UDP engellenirse istemci HTTP\/2\u2019ye geri d\u00f6nebilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"HTTP3_destegi_nasil_kontrol_edilir\"><\/span>HTTP\/3 deste\u011fi nas\u0131l kontrol edilir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Taray\u0131c\u0131 geli\u015ftirici ara\u00e7lar\u0131ndaki Protocol s\u00fctununda h3 g\u00f6r\u00fclmesi HTTP\/3\u2019\u00fc, h2 g\u00f6r\u00fclmesi HTTP\/2\u2019yi g\u00f6sterir. \u0130lk istekte h2, sonraki istekte h3 g\u00f6r\u00fclmesi Alt-Svc duyurusundan kaynaklanabilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"HTTP3_sunucuda_nasil_etkinlestirilir\"><\/span>HTTP\/3 sunucuda nas\u0131l etkinle\u015ftirilir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Web sunucusunun QUIC\/HTTP\/3 deste\u011fi, ge\u00e7erli TLS sertifikas\u0131, UDP 443 eri\u015fimi ve Alt-Svc ba\u015fl\u0131\u011f\u0131 gerekir. \u00d6zel yap\u0131land\u0131rma isteyen projelerde <a href=\"https:\/\/verimin.com.tr\/vds-satin-al\">VDS altyap\u0131s\u0131<\/a> de\u011ferlendirilebilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"HTTP3_SEOyu_etkiler_mi\"><\/span>HTTP\/3 SEO\u2019yu etkiler mi?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Protokol s\u00fcr\u00fcm\u00fc tek ba\u015f\u0131na s\u0131ralama garantisi de\u011fildir. Daha iyi ba\u011flant\u0131 kararl\u0131l\u0131\u011f\u0131 kullan\u0131c\u0131 deneyimine katk\u0131 sa\u011flayabilir; sonu\u00e7 TTFB, LCP, \u00f6nbellek, g\u00f6rseller ve uygulama performans\u0131yla birlikte \u00f6l\u00e7\u00fclmelidir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTTP\/2 ve HTTP\/3 nedir? TCP, QUIC, \u00e7oklama, ba\u011flant\u0131 kurulumu ve performans farklar\u0131n\u0131 hosting se\u00e7imi a\u00e7\u0131s\u0131ndan kar\u015f\u0131la\u015ft\u0131r\u0131n.<\/p>\n","protected":false},"author":1,"featured_media":1515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel"],"_links":{"self":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=1518"}],"version-history":[{"count":1,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1518\/revisions"}],"predecessor-version":[{"id":1538,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1518\/revisions\/1538"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/media\/1515"}],"wp:attachment":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=1518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=1518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=1518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}