FCP<\/a>) ve Time to Interactive (TTI) aras\u0131ndaki t\u00fcm uzun g\u00f6revlerin toplam\u0131n\u0131 bularak yap\u0131l\u0131r.<\/p>\n\n\n\n\u0130deal Total Blocking Time (Toplam Engellenme S\u00fcresi) Puan\u0131 Nedir?<\/h2>\n\n\n\n \u0130deal bir total blocking time s\u00fcresi, 300 ms’nin alt\u0131ndaki herhangi bir s\u00fcredir. Bu s\u00fcre 300 ila 600 ms aras\u0131ndaysa, iyile\u015ftirmeye ihtiya\u00e7 vard\u0131r. K\u00f6t\u00fc bir toplam engelleme s\u00fcresi 600 ms’dir ve web siteniz bu durumdaysa, hemen gerekli d\u00fczeltmeleri yapman\u0131z gerekir.<\/p>\n\n\n\n
TBT Nas\u0131l Hesaplan\u0131r?<\/h2>\n\n\n\n TBT’yi \u00f6l\u00e7mek, FCP ve TTI’nin iki belirli zamanlama noktas\u0131 aras\u0131nda, taray\u0131c\u0131 CPU i\u015flemesinin g\u00f6zlemlenmesini gerektirdi\u011finden karma\u015f\u0131k bir i\u015flemdir. TBT daha sonra 50 ms’den uzun s\u00fcren t\u00fcm CPU i\u015fleme g\u00f6revlerinin toplanmas\u0131yla hesaplan\u0131r.<\/p>\n\n\n\n
Sunucu Se\u00e7imi ile TBT Aras\u0131ndaki \u0130li\u015fki<\/h2>\n\n\n\n Sunucu, sitenizin h\u0131z\u0131nda ve performans\u0131nda \u00e7ok \u00f6nemli bir rol oynar. Sunucuya site \u00fczerinden gelen paralel isteklerin say\u0131s\u0131 ve sunucunun cevap s\u00fcresi, SSD ya da NVME harddisk kullan\u0131m\u0131 ve memcache \u00f6zelli\u011fi a\u00e7\u0131k hale getirildi\u011finde de; yan\u0131t s\u00fcresini daha da azalt\u0131r. Payla\u015f\u0131ml\u0131 hosting de firmalar bu \u00f6zelli\u011fi a\u00e7mayabilir. <\/p>\n\n\n\n
\u015eu anda payla\u015f\u0131ml\u0131 bir hosting plan\u0131ndaysan\u0131z, artan TTFB’yi deneyimlemenizin nedeni bu olabilir. Payla\u015f\u0131ml\u0131 hosting planlar\u0131, y\u00fcksek bir trafi\u011fe sahip web sitelerin y\u00f6netimi i\u00e7in genellikle yetersiz kaynaklara sahiptir. TBT\u2019yi pozitif etkileyen fakt\u00f6rler; CPU, RAM ve disk se\u00e7imidir.<\/p>\n\n\n\n
Total Blocking Time (TBT) Neden \u00d6nemlidir? <\/h2>\n\n\n\n Largest Contentful Paint ve Cumulative Layout Shift ile birlikte TBT, \u00fc\u00e7 temel Google Web Vital \u00f6l\u00e7\u00fcm\u00fcnden biridir.<\/p>\n\n\n\n
TBT’nin, d\u00f6n\u00fc\u015f\u00fcm ve hemen \u00e7\u0131kma oran\u0131yla ilgili olarak kullan\u0131c\u0131 deneyimini do\u011frudan etkiledi\u011fi kabul edilir.<\/p>\n\n\n\n
Web sitenizi ziyaret eden bir ziyaret\u00e7i, telefonuna veya masa\u00fcst\u00fcne bir web sayfas\u0131 y\u00fckledi\u011finde ve ard\u0131ndan onunla etkile\u015fime ge\u00e7meye \u00e7al\u0131\u015ft\u0131\u011f\u0131nda, istekleri gecikti\u011finde hayal k\u0131r\u0131kl\u0131\u011f\u0131na u\u011frayabilir.<\/p>\n\n\n\n
TBT s\u00fcresi \u00e7ok uzunsa, web sayfas\u0131 yan\u0131t vermiyor olarak kabul edilir. Bu daha sonra Google taraf\u0131ndan s\u0131ralama s\u00fcre\u00e7lerinde cezaland\u0131r\u0131lmalara neden olabilir. TBT, kontroll\u00fc test ko\u015fullar\u0131nda \u00f6l\u00e7\u00fclen ve \u201cLab testi\u201d olarak adland\u0131r\u0131lan bir \u00f6l\u00e7\u00fcmd\u00fcr, ancak First Input Delay (FID) ile yak\u0131ndan ili\u015fkilidir ve iyile\u015ftirilmesinin FID i\u00e7in faydal\u0131 oldu\u011fu kabul edilir. <\/p>\n\n\n\n
FID, t\u0131klamalar veya dokunmalar gibi farkl\u0131 eylemlerden sonraki gecikmeyi \u00f6l\u00e7er. Kayd\u0131rma ve yak\u0131nla\u015ft\u0131rmalar bu \u00f6l\u00e7\u00fcm\u00fc tetiklemez. <\/p>\n\n\n\n
Belirli bir zamanda girdi sa\u011flamak i\u00e7in ger\u00e7ek bir kullan\u0131c\u0131 gerektirir. Girdi yoksa, \u00f6l\u00e7\u00fclecek hi\u00e7bir \u015fey yoktur ve farkl\u0131 zamanlarda ayn\u0131 butona t\u0131klayan bir kullan\u0131c\u0131, ana i\u015f par\u00e7ac\u0131\u011f\u0131nda hangi g\u00f6revlerin y\u00fcr\u00fct\u00fcld\u00fc\u011f\u00fcne ba\u011fl\u0131 olarak farkl\u0131 bir sonu\u00e7 \u00fcretecektir.<\/p>\n\n\n\n
TBT ve FID, her ikisi de FCP ve TTI aras\u0131nda ger\u00e7ekle\u015fir ve ana i\u015f par\u00e7ac\u0131\u011f\u0131ndaki uzun s\u00fcreli g\u00f6revler onlara \u00f6nemli \u00f6l\u00e7\u00fcde zarar verebilir.<\/p>\n\n\n\n
Ayr\u0131ca hem FID hem de TBT, bir sayfadaki yan\u0131ts\u0131zl\u0131\u011f\u0131n ciddiyetini \u00f6l\u00e7er. Aradaki fark, TBT’nin bunu kullan\u0131c\u0131 giri\u015fi olmadan \u00f6l\u00e7mesidir. Sadece her uzun s\u00fcreli g\u00f6rev i\u00e7in engelleme s\u00fcresini bir araya getirir.<\/p>\n\n\n\n
Bu nedenle, her ikisine de bakmak, bir sayfan\u0131n etkile\u015fiminin uzun s\u00fcreli g\u00f6revlerden ne kadar etkilendi\u011finin net bir resmini verir. FID ve TBT \u00e7ok benzer oldu\u011fundan, ikisi de genellikle ayn\u0131 JavaScript sorunlar\u0131ndan etkilenir.<\/p>\n\n\n\n
Total Blocking Time Nas\u0131l \u00d6l\u00e7\u00fcl\u00fcr? <\/h2>\n\n\n\n Toplam engelleme s\u00fcrenizi \u00f6l\u00e7menin en iyi yolu, ana i\u015f par\u00e7ac\u0131\u011f\u0131nda meydana gelen uzun g\u00f6revleri belirlemektir. T\u00fcm bu g\u00f6revlerin toplam\u0131, TBT’nizi olu\u015fturan \u015feydir. TBT’nizi \u00f6l\u00e7menin iki yolu vard\u0131r: Laboratuvar ya da saha ara\u00e7lar\u0131. TBT’nizi \u00f6l\u00e7mek i\u00e7in kulland\u0131\u011f\u0131n\u0131z araca ba\u011fl\u0131 olarak, neredeyse benzer sonu\u00e7lar al\u0131rs\u0131n\u0131z, ancak her ara\u00e7 farkl\u0131 \u00e7al\u0131\u015f\u0131r.<\/p>\n\n\n\n
Lab Tools ile, web sayfas\u0131n\u0131n TBT puan\u0131n\u0131, y\u00fckleme s\u00fcresi boyunca oldu\u011fu gibi al\u0131rs\u0131n\u0131z.<\/p>\n\n\n\n
Laboratuvar ara\u00e7lar\u0131 \u00f6rnekleri a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/p>\n\n\n\n
WebPage Test<\/li><\/ul>\n\n\n\nChromeDev Tools<\/li> Lighthouse<\/li><\/ul>\n\n\n\nSaha ara\u00e7lar\u0131 ile sonu\u00e7lar, sayfadayken ger\u00e7ek kullan\u0131c\u0131 deneyimlerine dayan\u0131r.<\/p>\n\n\n\n
Saha ara\u00e7lar\u0131 \u00f6rnekleri a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/p>\n\n\n\n
PageSpeed Insights<\/li><\/ul>\n\n\n\nChrome User Experience Report <\/li> Search Console (Core Web Vitals Report)<\/li> GTmetrix<\/li><\/ul>\n\n\n\nTotal Blocking Time (TBT) Optimizasyonu Nas\u0131l Yap\u0131l\u0131r?<\/h2>\n\n\n\n1. CPU etkinli\u011finin nedenini belirleyin<\/h3>\n\n\n\n Chrome DevTools gibi bir ara\u00e7ta CPU zaman \u00e7izelgesi kayd\u0131na bak\u0131n. Kodunuzun hangi b\u00f6l\u00fcmleri uzun g\u00f6revlere neden oluyor belirleyin.<\/p>\n\n\n\n
2. \u00dc\u00e7\u00fcnc\u00fc taraf komut dosyalar\u0131n\u0131 inceleyin<\/h3>\n\n\n\n Sohbet widget’lar\u0131 veya A\/B test ara\u00e7lar\u0131 gibi \u00fc\u00e7\u00fcnc\u00fc taraf kodlar, sayfan\u0131za b\u00fcy\u00fck miktarda CPU i\u015fleme ekleyebilir. Baz\u0131lar\u0131n\u0131n kald\u0131r\u0131l\u0131p kald\u0131r\u0131lamayaca\u011f\u0131n\u0131 veya gerekti\u011finde y\u00fcklenip y\u00fcklenmeyece\u011fini d\u00fc\u015f\u00fcn\u00fcn.<\/p>\n\n\n\n
3. Uzun g\u00f6revleri b\u00f6l\u00fcn<\/h3>\n\n\n\n T\u00fcm JavaScript g\u00fcncellemelerini bir arada \u00e7al\u0131\u015ft\u0131rmak yerine, i\u015fi a\u015famalar halinde yapmay\u0131 planlay\u0131n.<\/p>\n\n\n\n
\u00d6rne\u011fin, bir grafik ve harita olu\u015fturuyorsan\u0131z, \u00f6nce grafi\u011fi olu\u015fturabilir ve ard\u0131ndan haritay\u0131 olu\u015fturmadan \u00f6nce 50 ms bekleyebilirsiniz. Bu \u015fekilde kullan\u0131c\u0131 girdisi, iki olu\u015fturma ad\u0131m\u0131 aras\u0131ndaki bo\u015flukta i\u015flenebilir ve sayfa boyunca yan\u0131t vermeye devam eder.<\/p>\n\n\n\n
4. Kodunuzu h\u0131zland\u0131r\u0131n<\/h3>\n\n\n\n Engelleme s\u00fcresini azaltman\u0131n bir yolu da, JavaScript kodunuzun daha h\u0131zl\u0131 \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flamakt\u0131r. Bu yaln\u0131zca TBT’yi iyile\u015ftirmekle kalmaz, ayn\u0131 zamanda sayfan\u0131z\u0131n genel olarak daha h\u0131zl\u0131 y\u00fcklenmesini de sa\u011flar.<\/p>\n\n\n\n
Yava\u015f Sunucu Yan\u0131t S\u00fcresi Ne Demektir?<\/h2>\n\n\n\n Sunucu Yan\u0131t S\u00fcresi (SRT), bir web istemcisinin bir istekte bulunmas\u0131 (\u00f6rne\u011fin, bir ba\u011flant\u0131ya t\u0131klamak veya adres \u00e7ubu\u011funa bir URL girmek) ile sunucunun bu iste\u011fe yan\u0131t vermesi aras\u0131ndaki s\u00fcredir.<\/p>\n\n\n\n
\u0130yi bir SRT ve h\u0131z i\u00e7in optimize edilmi\u015f bir site ile web siteniz neredeyse an\u0131nda y\u00fckleniyormu\u015f gibi g\u00f6r\u00fcn\u00fcr. \u0130yi bir SRT\u2019ye sahip de\u011filseniz, sayfan\u0131n y\u00fcklenmesi daha uzun s\u00fcrer, bu da kullan\u0131c\u0131 deneyimine ve nihayetinde arama motoru s\u0131ralamalar\u0131na zarar verebilir.<\/p>\n\n\n\n
SRT, Time to First Byte (TTFB) olarak bilinen bir birimde \u00f6l\u00e7\u00fcl\u00fcr. TTFB, HTTP istemcisinin iste\u011fini yapmas\u0131 ile ilk veri bayt\u0131n\u0131 almas\u0131 aras\u0131ndaki s\u00fcreyi \u00f6l\u00e7er. Milisaniye cinsinden \u00f6l\u00e7\u00fcl\u00fcr.<\/p>\n\n\n\n
SRT 100 ms’den daha h\u0131zl\u0131ysa, m\u00fckemmeldir.<\/li> 100 – 200 ms iyidir. Google PageSpeed Insights, SRT’nizi 500 ms’nin alt\u0131nda tutman\u0131z\u0131 \u00f6nerir.<\/li> 200 ms \u20131 saniye kabul edilebilir, ancak iyile\u015ftirme yapman\u0131z gerekir.<\/li> 1 saniyenin \u00fczerindeki herhangi bir SRT, yava\u015f sunucu yan\u0131t s\u00fcresi olarak kabul edilir.<\/li><\/ul>\n\n\n\nWordPress Siteler i\u00e7in TTFB Optimizasyonu Nas\u0131l Yap\u0131l\u0131r? [BONUS]<\/h2>\n\n\n\n WordPress siteler i\u00e7in TTFB’yi nas\u0131l optimize edece\u011finize dair baz\u0131 ipu\u00e7lar\u0131n\u0131 a\u015fa\u011f\u0131da bulabilirsiniz:<\/p>\n\n\n\n
1. \u00d6nbelle\u011fe Alma \u00d6zelli\u011fini Kullan\u0131n<\/h3>\n\n\n\n WordPress sitenizde halihaz\u0131rda bir \u00f6nbelle\u011fe alma mekanizman\u0131z yoksa, TTFB’yi azaltmak i\u00e7in bunu dikkate alman\u0131z gerekir. \u00d6nbelle\u011fe alma, sitenizin sunucusundaki y\u00fck\u00fc azalt\u0131r ve verilerin daha h\u0131zl\u0131 iletilmesine ve g\u00f6r\u00fcnt\u00fclenmesine olanak tan\u0131r.<\/p>\n\n\n\n
Bir WordPress kullan\u0131c\u0131s\u0131 olarak, WordPress web sitenizde \u00f6nbelle\u011fe almay\u0131 kollayla\u015ft\u0131rman\u0131n bir\u00e7ok yolu vard\u0131r. En kolay y\u00f6ntemlerden biri, W3 Total Cache, Fastest Cache veya WP Rocket gibi bir \u00f6nbelle\u011fe alma eklentisi kullanmakt\u0131r.<\/p>\n\n\n\n
2. Bir \u0130\u00e7erik Da\u011f\u0131t\u0131m A\u011f\u0131ndan (CDN) Yararlan\u0131n<\/h3>\n\n\n\n Bir CDN site h\u0131z\u0131n\u0131 art\u0131rmaya ve TTFB’yi d\u00fc\u015f\u00fcrmeye yard\u0131mc\u0131 olabilir. CDN, sitenizin her ziyaret\u00e7inin konumuna en yak\u0131n veri merkezinden y\u00fcklenmesini sa\u011flayan, d\u00fcnya \u00e7ap\u0131nda bulunan da\u011f\u0131t\u0131lm\u0131\u015f sunuculardan olu\u015fan bir a\u011fd\u0131r. Bu, WordPress sitenizin daha h\u0131zl\u0131 y\u00fcklenmesine olanak tan\u0131r.<\/p>\n\n\n\n
WordPress sitenizde CDN kullanma se\u00e7enekleriniz, web bar\u0131nd\u0131r\u0131c\u0131n\u0131za ba\u011fl\u0131 olarak de\u011fi\u015fecektir. \u00d6rne\u011fin, baz\u0131 planlar yerle\u015fik CDN \u00f6zellikleriyle gelirken, di\u011ferlerinde kullanabilece\u011finiz CDN eklentileri veya hizmetleriyle ilgili k\u0131s\u0131tlamalar vard\u0131r.<\/p>\n\n\n\n
Sunucu yan\u0131t s\u00fcrelerini azaltmak i\u00e7in en pop\u00fcler CDN se\u00e7enekleri; Cloudflare, Medianova ve Maxcdn\u2019dir.<\/p>\n\n\n\n
3. WordPress Veri taban\u0131n\u0131z\u0131 Optimize Edin<\/h3>\n\n\n\n WordPress sayfalar\u0131, y\u00fcklenmesi genellikle statik metin dosyalar\u0131ndan daha uzun s\u00fcren dinamik dosyalardan olu\u015fur. Bu dosyalar\u0131 bar\u0131nd\u0131ran WordPress veri taban\u0131 a\u015f\u0131r\u0131 derecede \u015fi\u015fmi\u015fse, sitenizin TTFB’sini art\u0131rabilir.<\/p>\n\n\n\n
WordPress veri taban\u0131n\u0131z\u0131 optimize ederek bu a\u011f\u0131rl\u0131\u011f\u0131n bir k\u0131sm\u0131n\u0131 azaltabilirsiniz. Bunu yapman\u0131n en h\u0131zl\u0131 ve en kolay yolu, Autoptimize gibi bir ara\u00e7 kullanmakt\u0131r.<\/p>\n\n\n\n
Bu, a\u015fa\u011f\u0131dakiler i\u00e7in kullanabilece\u011finiz \u00fccretsiz bir WordPress eklentisidir:<\/p>\n\n\n\n
\u00d6nbellek komut dosyalar\u0131n\u0131 ve stillerini k\u00fc\u00e7\u00fcltmek<\/li> G\u00f6r\u00fcnt\u00fcleri optimize etmek<\/li> HTML’yi k\u00fc\u00e7\u00fcltmek<\/li><\/ul>\n\n\n\n4. Premium Alan Ad\u0131 Sistemi (DNS) Sa\u011flay\u0131c\u0131s\u0131 Kullan\u0131n<\/h3>\n\n\n\n DNS arama s\u00fcreleri de TTFB’yi optimize etmede rol oynar. Bu nedenle, TTFB’yi azaltmaya ve sunucu yan\u0131t s\u00fcrelerini iyile\u015ftirmeye \u00e7al\u0131\u015f\u0131yorsan\u0131z, \u00fccretsiz bir \u00e7\u00f6z\u00fcm yerine Amazon Route 53 gibi premium bir DNS sa\u011flay\u0131c\u0131s\u0131 kullanmak size yard\u0131mc\u0131 olabilir.<\/p>\n\n\n\n
Bir\u00e7ok web sitesi bak\u0131m ve y\u00f6netim arac\u0131nda oldu\u011fu gibi, bir DNS’nin premium s\u00fcr\u00fcmleri genellikle \u00fccretsiz se\u00e7eneklerden daha iyi performans sa\u011flar. CDN’lere benzer \u015fekilde, premium bir DNS d\u00fcnya genelinde \u00e7e\u015fitli sunucu konumlar\u0131na sahip olacakt\u0131r ve genellikle size daha b\u00fcy\u00fck bir a\u011fa daha iyi eri\u015fim sa\u011flayacakt\u0131r.<\/p>\n\n\n\n
5. Gereksiz Eklentileri Silin<\/h3>\n\n\n\n T\u0131pk\u0131 WordPress veri taban\u0131n\u0131z\u0131 optimize ederken oldu\u011fu gibi, sitenizi olabildi\u011fince hafif tutmak da TTFB’yi azaltmaya ve genel performans\u0131 art\u0131rmaya yard\u0131mc\u0131 olabilir. Gereksiz a\u011f\u0131rl\u0131\u011f\u0131 ortadan kald\u0131rmak i\u00e7in web sitenizde y\u00fckl\u00fc olan kullan\u0131lmayan veya gereksiz eklentileri silebilirsiniz.<\/p>\n\n\n\n
\u00c7ok fazla eklenti sitenizi yava\u015flatabilir, eklenti \u00e7ak\u0131\u015fmalar\u0131na neden olabilir ve sunucu yan\u0131t s\u00fcrelerini art\u0131rabilir. Bu nedenle, web sitenize hangi eklentileri y\u00fckledi\u011finiz konusunda se\u00e7ici olman\u0131z ve bunlar\u0131 d\u00fczenli olarak g\u00fcncelledi\u011finizden emin olman\u0131z gerekir. Art\u0131k belirli bir eklentiye ihtiyac\u0131n\u0131z yoksa, devre d\u0131\u015f\u0131 b\u0131rakmak ya da sitenizden tamamen silmeniz gerekir. Bu, gereksiz \u015fi\u015fkinli\u011fi en aza indirecek ve daha yal\u0131n bir web sitesi olu\u015fturacakt\u0131r.<\/p>\n\n\n\n
6. WordPress Hosting\u2019inizi Y\u00fckseltin<\/h3>\n\n\n\n Hosting sa\u011flay\u0131c\u0131n\u0131z, sitenizin h\u0131z\u0131nda ve performans\u0131nda \u00e7ok \u00f6nemli bir rol oynar. Bu nedenle, yava\u015f y\u00fckleme s\u00fcrelerinden ve sorunlu bir TTFB’den muzdaripseniz (ve yukar\u0131da belirtilen ipu\u00e7lar\u0131 yard\u0131mc\u0131 olmad\u0131ysa), farkl\u0131 bir ana bilgisayara ge\u00e7meyi veya en az\u0131ndan plan\u0131n\u0131z\u0131 y\u00fckseltmeyi d\u00fc\u015f\u00fcnmenin zaman\u0131 gelmi\u015f olabilir.<\/p>\n\n\n\n
\u015eu anda payla\u015f\u0131ml\u0131 bir hosting plan\u0131ndaysan\u0131z, artan TTFB’yi deneyimlemenizin bir nedeni bu olabilir. Payla\u015f\u0131ml\u0131 hosting planlar\u0131, her siteyi olabildi\u011fince h\u0131zl\u0131 hale getirmek i\u00e7in gereken ekipman ve g\u00fcc\u00fc bir yana, yo\u011fun trafi\u011fe sahip sitelerin y\u00f6netimi i\u00e7in genellikle yetersiz kaynaklara sahiptir.<\/p>\n\n\n\n
Bu nedenle, TTFB’yi azaltmak i\u00e7in payla\u015f\u0131ml\u0131 hosting\u2019den y\u00f6netilen WordPress hosting\u2019e y\u00fckseltme yapman\u0131z\u0131 \u00f6neririz. <\/p>\n","protected":false},"excerpt":{"rendered":"
Y\u00fcklenmeyi bitirmi\u015f gibi g\u00f6r\u00fcnen bir web sitesine girdi\u011finizde, \u00f6\u011felerden herhangi birine t\u0131klad\u0131\u011f\u0131n\u0131zda, bir s\u00fcre yan\u0131t alamad\u0131\u011f\u0131n\u0131z oldu mu? \u0130lk d\u00fc\u015f\u00fcnceniz, web sitesinin bozuk oldu\u011fu ya…<\/p>\n","protected":false},"author":11,"featured_media":7167,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[],"class_list":["post-7060","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programlama"],"yoast_head":"\n
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