JavaScript ile Tembel Y\u00fckleme (Lazy Loading) Kullanarak Web Sitenizin H\u0131z\u0131n\u0131 Artt\u0131r\u0131n!<\/p>\n
Merhaba! Fatih Soysal burada. Web sitenizin performans\u0131n\u0131 iyile\u015ftirmek ve kullan\u0131c\u0131 deneyimini geli\u015ftirmek i\u00e7in en etkili y\u00f6ntemlerden biri, JavaScript kullanarak tembel y\u00fckleme (lazy loading) tekni\u011fidir. Bu makalede, tembel y\u00fcklemenin ne oldu\u011funu, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve web sitenize nas\u0131l entegre edebilece\u011finizi ayr\u0131nt\u0131l\u0131 olarak a\u00e7\u0131klayaca\u011f\u0131m. Ayr\u0131ca, bu y\u00f6ntemin sundu\u011fu avantajlar ve dezavantajlar\u0131 \u00fczerinde duraca\u011f\u0131z. \u00d6ncelikle, tembel y\u00fcklemenin temel prensibini anlamak \u00f6nemlidir.<\/p>\n
Tembel y\u00fckleme, web sayfas\u0131ndaki g\u00f6rseller, videolar ve di\u011fer kaynaklar\u0131n yaln\u0131zca kullan\u0131c\u0131 taraf\u0131ndan g\u00f6r\u00fcn\u00fcr hale geldiklerinde y\u00fcklenmesini sa\u011flayan bir optimizasyon tekni\u011fidir. Bu sayede, sayfan\u0131n ilk y\u00fcklenme s\u00fcresi \u00f6nemli \u00f6l\u00e7\u00fcde k\u0131sal\u0131r. Kullan\u0131c\u0131lar daha h\u0131zl\u0131 bir \u015fekilde i\u00e7eri\u011fe ula\u015fabilir ve daha iyi bir deneyim ya\u015farlar. Bu, \u00f6zellikle mobil cihazlarda ve d\u00fc\u015f\u00fck bant geni\u015fli\u011fine sahip internet ba\u011flant\u0131lar\u0131yla b\u00fcy\u00fck fark yarat\u0131r.<\/p>\n
\u00d6rne\u011fin, uzun bir sayfada, alt k\u0131s\u0131mda bulunan g\u00f6rsellerin sayfan\u0131n ilk y\u00fcklenmesiyle birlikte y\u00fcklenmesine gerek yoktur. Kullan\u0131c\u0131 o k\u0131sma a\u015fa\u011f\u0131 do\u011fru kayd\u0131rd\u0131\u011f\u0131nda, g\u00f6rseller tembel y\u00fckleme sayesinde o zaman y\u00fcklenmeye ba\u015flar. Bu, sayfan\u0131n ilk y\u00fcklenme s\u00fcresini \u00f6nemli \u00f6l\u00e7\u00fcde azalt\u0131r ve kaynaklar\u0131 korur.<\/p>\n
Tembel y\u00fcklemeyi JavaScript ile uygulaman\u0131n birka\u00e7 farkl\u0131 y\u00f6ntemi vard\u0131r. En yayg\u0131n y\u00f6ntemlerden biri, Yukar\u0131daki kodda, Tembel y\u00fcklemenin en b\u00fcy\u00fck avantaj\u0131, web sitesinin y\u00fcklenme h\u0131z\u0131n\u0131 art\u0131rmas\u0131 ve kullan\u0131c\u0131 deneyimini iyile\u015ftirmesidir. Ayn\u0131 zamanda, sunucu \u00fczerindeki y\u00fck\u00fc azalt\u0131r ve bant geni\u015fli\u011fi tasarrufu sa\u011flar. Ancak, baz\u0131 durumlarda dezavantajlar\u0131 da olabilir. \u00d6rne\u011fin, JavaScript’in devre d\u0131\u015f\u0131 b\u0131rak\u0131lmas\u0131 durumunda, tembel y\u00fckleme d\u00fczg\u00fcn \u00e7al\u0131\u015fmayabilir. Ayr\u0131ca, \u00e7ok fazla say\u0131da tembel y\u00fcklenen eleman\u0131n olmas\u0131, taray\u0131c\u0131n\u0131n performans\u0131n\u0131 olumsuz etkileyebilir.<\/p>\n JavaScript kullanarak tembel y\u00fckleme uygulamak, web sitenizin performans\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rman\u0131n basit ve etkili bir yoludur. Bu teknik, kullan\u0131c\u0131 deneyimini iyile\u015ftirmeye ve arama motorlar\u0131nda daha iyi s\u0131ralamalar elde etmeye yard\u0131mc\u0131 olabilir. Benim web sitemi<\/a> ziyaret ederek daha fazla bilgi edinebilirsiniz. Daha fazla bilgi i\u00e7in Google’\u0131n lazy loading rehberine<\/a> g\u00f6z atman\u0131z\u0131 tavsiye ederim.<\/p>\n #Etiketler: JavaScript, Tembel Y\u00fckleme, Lazy Loading, Web Sitesi H\u0131z\u0131, Performans Optimizasyonu, Intersection Observer API, Kullan\u0131c\u0131 Deneyimi, SEO, Web Geli\u015ftirme<\/p>\n","protected":false},"excerpt":{"rendered":"JavaScript ile Tembel Y\u00fckleme (Lazy Loading) Kullanarak Web Sitenizin H\u0131z\u0131n\u0131 Artt\u0131r\u0131n! Merhaba! Fatih Soysal burada. Web sitenizin performans\u0131n\u0131…","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-12903","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"\nIntersection Observer API<\/code>‘sini kullanmakt\u0131r. Bu API, bir elementin taray\u0131c\u0131n\u0131n g\u00f6r\u00fcn\u00fcr alan\u0131yla kesi\u015fip kesi\u015fmedi\u011fini izler. Kesi\u015fim oldu\u011funda, bir callback fonksiyonu \u00e7al\u0131\u015ft\u0131r\u0131larak, tembel y\u00fcklenmesi gereken element y\u00fcklenir.<\/p>\n\nconst lazyImages = document.querySelectorAll(\"img.lazy\");\n\nconst observer = new IntersectionObserver(entries => {\n entries.forEach(entry => {\n if (entry.isIntersecting) {\n const img = entry.target;\n img.src = img.dataset.src;\n img.classList.remove(\"lazy\");\n observer.unobserve(img);\n }\n });\n}, {\n threshold: 0.5 \/\/ G\u00f6r\u00fcn\u00fcrl\u00fc\u011f\u00fcn %50'si\n});\n\nlazyImages.forEach(img => {\n observer.observe(img);\n});\n<\/code><\/pre>\nimg.lazy<\/code> s\u0131n\u0131f\u0131na sahip t\u00fcm g\u00f6rseller se\u00e7ilir. Intersection Observer<\/code>, bu g\u00f6rsellerin g\u00f6r\u00fcn\u00fcrl\u00fc\u011f\u00fcn\u00fc izler. G\u00f6r\u00fcn\u00fcrl\u00fck e\u015fi\u011fi (%50) ge\u00e7ti\u011finde, img.dataset.src<\/code>‘de saklanan ger\u00e7ek g\u00f6rsel URL’si img.src<\/code>‘ye atan\u0131r ve lazy<\/code> s\u0131n\u0131f\u0131 kald\u0131r\u0131l\u0131r. Sonras\u0131nda, g\u00f6zlemci o g\u00f6rseli g\u00f6zlemlemeyi b\u0131rak\u0131r.<\/p>\nTembel Y\u00fcklemenin Avantajlar\u0131 ve Dezavantajlar\u0131<\/h2>\n
Sonu\u00e7<\/h2>\n