Core Web Vitals’\u0131 Optimize Etme: A\u011f\u0131r 3. Parti Paketlerini Tembel Y\u00fckleme ile FCP ve LCP’yi \u0130yile\u015ftirme<\/p>\n
Merhaba, Fatih Soysal burada. Bu makalede, Core Web Vitals metriklerinden \u0130lk \u00c7izim Boyutu (FCP) ve En B\u00fcy\u00fck \u0130\u00e7erik Boyutu (LCP)’yi iyile\u015ftirmek i\u00e7in a\u011f\u0131r \u00fc\u00e7\u00fcnc\u00fc parti paketlerini tembel y\u00fcklemenin \u00f6nemini ele alaca\u011f\u0131z. H\u0131zl\u0131 bir web sitesi kullan\u0131c\u0131 deneyimi i\u00e7in son derece \u00f6nemli olan bu metrikleri optimize etmek, s\u0131ralama performans\u0131n\u0131z\u0131 art\u0131rman\u0131za ve d\u00f6n\u00fc\u015f\u00fcm oranlar\u0131n\u0131z\u0131 y\u00fckseltmenize yard\u0131mc\u0131 olabilir. \u00d6zellikle, b\u00fcy\u00fck dosya boyutlar\u0131na sahip \u00fc\u00e7\u00fcnc\u00fc parti k\u00fct\u00fcphaneleri veya scriptleri nas\u0131l daha verimli bir \u015fekilde y\u00f6netebilece\u011finizi g\u00f6sterece\u011fim. Bunun i\u00e7in tembel y\u00fckleme tekni\u011fini kullanaca\u011f\u0131z. Ayr\u0131ca, bu optimizasyonun nas\u0131l yap\u0131laca\u011f\u0131na dair pratik \u00f6rnekler ve kod par\u00e7ac\u0131klar\u0131 sunaca\u011f\u0131m.<\/p>\n
\u00d6ncelikle, Core Web Vitals’\u0131n ne oldu\u011funu ve neden \u00f6nemli oldu\u011funu anlamam\u0131z gerekiyor. Google taraf\u0131ndan belirlenen Core Web Vitals, kullan\u0131c\u0131 deneyimini \u00f6l\u00e7en \u00fc\u00e7 temel metriktir: FCP (First Contentful Paint), LCP (Largest Contentful Paint) ve CLS (Cumulative Layout Shift). Bu metrikler, sitenizin ne kadar h\u0131zl\u0131 y\u00fcklendi\u011fini, i\u00e7eri\u011fin ne kadar \u00e7abuk g\u00f6r\u00fcnt\u00fclendi\u011fini ve sayfa d\u00fczeninin ne kadar istikrarl\u0131 oldu\u011funu \u00f6l\u00e7er. Yava\u015f bir sayfa y\u00fcklenme s\u00fcresi kullan\u0131c\u0131lar\u0131 ka\u00e7\u0131rabilir, bu nedenle bu metrikleri optimize etmek, web sitenizin ba\u015far\u0131s\u0131 i\u00e7in son derece \u00f6nemlidir.<\/p>\n
FCP, sayfada herhangi bir g\u00f6rsel i\u00e7eri\u011fin ilk kez g\u00f6sterildi\u011fi zaman\u0131 \u00f6l\u00e7er. LCP ise sayfada en b\u00fcy\u00fck i\u00e7erik elementinin (resim, video veya metin blo\u011fu) tamamen y\u00fcklendi\u011fi zaman\u0131 \u00f6l\u00e7er. Hem FCP hem de LCP, kullan\u0131c\u0131lar\u0131n sayfay\u0131 ne kadar h\u0131zl\u0131 alg\u0131layabildiklerini ve etkile\u015fim kurabildiklerini g\u00f6sterir. Bu iki metrik d\u00fc\u015f\u00fckse, kullan\u0131c\u0131 deneyimi olumsuz etkilenir ve bu da d\u00f6n\u00fc\u015f\u00fcm oranlar\u0131nda d\u00fc\u015f\u00fc\u015fe neden olabilir.<\/p>\n
Peki, b\u00fcy\u00fck \u00fc\u00e7\u00fcnc\u00fc parti paketleri bu metrikleri nas\u0131l etkiliyor? Google Analytics, reklam k\u00fct\u00fcphaneleri veya sosyal medya payla\u015f\u0131m d\u00fc\u011fmeleri gibi \u00fc\u00e7\u00fcnc\u00fc parti paketleri genellikle b\u00fcy\u00fck dosya boyutlar\u0131na sahiptir. Bu paketler sayfan\u0131n ilk y\u00fcklenmesi s\u0131ras\u0131nda y\u00fcklenirse, FCP ve LCP de\u011ferlerini olumsuz y\u00f6nde etkileyerek sayfa y\u00fcklenme s\u00fcresini uzat\u0131rlar. Bu sorunu \u00e7\u00f6zmek i\u00e7in tembel y\u00fckleme tekni\u011fini kullanabiliriz.<\/p>\n
Tembel y\u00fckleme, yaln\u0131zca ihtiya\u00e7 duyuldu\u011funda bir kayna\u011f\u0131n y\u00fcklenmesini sa\u011flayan bir optimizasyon tekni\u011fidir. \u00d6rne\u011fin, bir sayfan\u0131n alt k\u0131sm\u0131nda yer alan bir yorum b\u00f6l\u00fcm\u00fc i\u00e7in gerekli olan bir JavaScript k\u00fct\u00fcphanesi, sayfa ilk y\u00fcklendi\u011finde y\u00fcklenmek zorunda de\u011fildir. Tembel y\u00fckleme ile bu k\u00fct\u00fcphane yaln\u0131zca kullan\u0131c\u0131 yorum b\u00f6l\u00fcm\u00fcne ula\u015ft\u0131\u011f\u0131nda y\u00fcklenir. Bu sayede sayfa ilk y\u00fcklenme s\u00fcresi k\u0131sal\u0131r ve FCP ve LCP de\u011ferleri iyile\u015ftirilir.<\/p>\n
Tembel y\u00fcklemeyi uygulaman\u0131n bir\u00e7ok yolu vard\u0131r. JavaScript’in Intersection Observer API’s\u0131 en yayg\u0131n ve g\u00fc\u00e7l\u00fc y\u00f6ntemlerden biridir. Bu API, bir \u00f6\u011fenin g\u00f6r\u00fcn\u00fcr olup olmad\u0131\u011f\u0131n\u0131 izler ve g\u00f6r\u00fcn\u00fcr hale geldi\u011finde bir fonksiyon \u00e7al\u0131\u015ft\u0131r\u0131r. Bu fonksiyon, tembel y\u00fcklenecek olan kayna\u011f\u0131 y\u00fckler.<\/p>\n
\nconst observer = new IntersectionObserver(entries => {\n entries.forEach(entry => {\n if (entry.isIntersecting) {\n \/\/ \u00dc\u00e7\u00fcnc\u00fc parti paketi burada y\u00fckleyin. \u00d6rne\u011fin:\n import(\/* webpackChunkName: \"heavy-package\" *\/ '.\/heavy-package.js').then(module => {\n module.doSomething();\n });\n observer.unobserve(entry.target); \/\/ G\u00f6zlemciyi kald\u0131r\u0131n.\n }\n });\n});\n\nconst lazyLoadElement = document.querySelector('.lazy-load');\nobserver.observe(lazyLoadElement);\n<\/code><\/pre>\nBu kod \u00f6rne\u011finde, .lazy-load s\u0131n\u0131f\u0131na sahip bir \u00f6\u011feyi g\u00f6zlemliyoruz. \u00d6\u011fe g\u00f6r\u00fcn\u00fcr hale geldi\u011finde, heavy-package.js dosyas\u0131 dinamik olarak import edilir ve i\u00e7erdi\u011fi fonksiyon \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r. Daha sonra g\u00f6zlemci, bu \u00f6\u011feyi g\u00f6zlemlemeyi b\u0131rak\u0131r.<\/p>\n
Webpack gibi bir module bundler kullan\u0131yorsan\u0131z, webpackChunkName \u00f6zelli\u011fi ile kod par\u00e7alar\u0131n\u0131 adland\u0131rarak daha iyi bir kontrol sa\u011flayabilirsiniz. Bu sayede, farkl\u0131 k\u00fct\u00fcphaneler i\u00e7in farkl\u0131 kod par\u00e7alar\u0131 olu\u015fturulur ve taray\u0131c\u0131 yaln\u0131zca gerekli olan par\u00e7alar\u0131 y\u00fckler.<\/p>\n
Tembel y\u00fckleme, sayfa performans\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rabilir. Ancak, t\u00fcm \u00fc\u00e7\u00fcnc\u00fc parti paketleri i\u00e7in uygun olmayabilir. \u00d6rne\u011fin, sayfan\u0131n ba\u015f\u0131nda y\u00fcklenmesi gereken kritik bir JavaScript k\u00fct\u00fcphanesi i\u00e7in tembel y\u00fckleme kullanmamal\u0131s\u0131n\u0131z. Her zaman performans testleri yaparak en uygun \u00e7\u00f6z\u00fcm\u00fc bulmal\u0131s\u0131n\u0131z.<\/p>\n
Umar\u0131m bu makale, Core Web Vitals’\u0131 iyile\u015ftirmek i\u00e7in tembel y\u00fckleme kullan\u0131m\u0131na dair daha iyi bir anlay\u0131\u015f sa\u011flar. Daha fazla bilgi i\u00e7in fatihsoysal.com<\/a> sitesini ziyaret edebilir ve di\u011fer makalelerimi inceleyebilirsiniz. Ayr\u0131ca, bu konuda daha fazla bilgi edinmek i\u00e7in Google’\u0131n resmi Core Web Vitals d\u00f6k\u00fcmanlar\u0131na g\u00f6z atman\u0131z\u0131 \u00f6neririm: https:\/\/web.dev\/vitals\/<\/a><\/p>\n#Etiketler: Core Web Vitals, FCP, LCP, Tembel Y\u00fckleme, Performans Optimizasyonu, Web Sitesi H\u0131z\u0131, \u00dc\u00e7\u00fcnc\u00fc Parti Paketleri, JavaScript, Intersection Observer API, Google Analytics, Webpack<\/p>\n","protected":false},"excerpt":{"rendered":"Core Web Vitals’\u0131 Optimize Etme: A\u011f\u0131r 3. Parti Paketlerini Tembel Y\u00fckleme ile FCP ve LCP’yi \u0130yile\u015ftirme Merhaba, Fatih…","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-16381","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"\n
Core Web Vitals'\u0131 Optimize Etme: A\u011f\u0131r 3. Parti Paketlerini Tembel Y\u00fckleme ile FCP ve LCP'yi \u0130yile\u015ftirme<\/title>\n<meta name=\"description\" content=\"Merhaba, Fatih Soysal burada. Bu makalede, Core Web Vitals metriklerinden \u0130lk \u00c7izim Boyutu (FCP) ve En B\u00fcy\u00fck \u0130\u00e7erik Boyutu (LCP)'yi iyile\u015ftirmek i\u00e7in a\u011f\u0131r \u00fc\u00e7\u00fcnc\u00fc parti paketlerini tembel y\u00fcklemenin \u00f6nemini ele alaca\u011f\u0131z. H\u0131zl\u0131 bir web sitesi kullan\u0131c\u0131 deneyimi i\u00e7in son derece \u00f6nemli olan bu metrikleri optimize etmek, s\u0131ralama performans\u0131n\u0131z\u0131 art\u0131rman\u0131za ve d\u00f6n\u00fc\u015f\u00fcm oranlar\u0131n\u0131z\u0131 y\u00fckseltmenize yard\u0131mc\u0131 olabilir. \u00d6zellikle, b\u00fcy\u00fck dosya boyutlar\u0131na sahip \u00fc\u00e7\u00fcnc\u00fc parti k\u00fct\u00fcphaneleri veya scriptleri nas\u0131l daha verimli bir \u015fekilde y\u00f6netebilece\u011finizi g\u00f6sterece\u011fim. Bunun i\u00e7in tembel y\u00fckleme tekni\u011fini kullanaca\u011f\u0131z. Ayr\u0131ca, bu optimizasyonun nas\u0131l yap\u0131laca\u011f\u0131na dair pratik \u00f6rnekler ve kod par\u00e7ac\u0131klar\u0131 sunaca\u011f\u0131m.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/core-web-vitalsi-optimize-etme-agir-3-parti-paketlerini-tembel-yukleme-ile-fcp-ve-lcpyi-iyilestirme\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Core Web Vitals'\u0131 Optimize Etme: A\u011f\u0131r 3. Parti Paketlerini Tembel Y\u00fckleme ile FCP ve LCP'yi \u0130yile\u015ftirme\" \/>\n<meta property=\"og:description\" content=\"Merhaba, Fatih Soysal burada. Bu makalede, Core Web Vitals metriklerinden \u0130lk \u00c7izim Boyutu (FCP) ve En B\u00fcy\u00fck \u0130\u00e7erik Boyutu (LCP)'yi iyile\u015ftirmek i\u00e7in a\u011f\u0131r \u00fc\u00e7\u00fcnc\u00fc parti paketlerini tembel y\u00fcklemenin \u00f6nemini ele alaca\u011f\u0131z. H\u0131zl\u0131 bir web sitesi kullan\u0131c\u0131 deneyimi i\u00e7in son derece \u00f6nemli olan bu metrikleri optimize etmek, s\u0131ralama performans\u0131n\u0131z\u0131 art\u0131rman\u0131za ve d\u00f6n\u00fc\u015f\u00fcm oranlar\u0131n\u0131z\u0131 y\u00fckseltmenize yard\u0131mc\u0131 olabilir. \u00d6zellikle, b\u00fcy\u00fck dosya boyutlar\u0131na sahip \u00fc\u00e7\u00fcnc\u00fc parti k\u00fct\u00fcphaneleri veya scriptleri nas\u0131l daha verimli bir \u015fekilde y\u00f6netebilece\u011finizi g\u00f6sterece\u011fim. Bunun i\u00e7in tembel y\u00fckleme tekni\u011fini kullanaca\u011f\u0131z. Ayr\u0131ca, bu optimizasyonun nas\u0131l yap\u0131laca\u011f\u0131na dair pratik \u00f6rnekler ve kod par\u00e7ac\u0131klar\u0131 sunaca\u011f\u0131m.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/core-web-vitalsi-optimize-etme-agir-3-parti-paketlerini-tembel-yukleme-ile-fcp-ve-lcpyi-iyilestirme\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-27T07:30:15+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/core-web-vitalsi-optimize-etme-agir-3-parti-paketlerini-tembel-yukleme-ile-fcp-ve-lcpyi-iyilestirme\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/core-web-vitalsi-optimize-etme-agir-3-parti-paketlerini-tembel-yukleme-ile-fcp-ve-lcpyi-iyilestirme\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"Core Web Vitals’\u0131 Optimize Etme: A\u011f\u0131r 3. 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