{"version":"1.0","provider_name":"Kodlar\u0131n Gizemli D\u00fcnyas\u0131","provider_url":"https:\/\/fatihsoysal.com\/blog","author_name":"Fatih Soysal","author_url":"https:\/\/fatihsoysal.com\/blog\/author\/fatihsoysal\/","title":"JavaScript'te Defer ve Async ile Performans Art\u0131\u015f\u0131","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"6DMYKatJiT\"><a href=\"https:\/\/fatihsoysal.com\/blog\/javascriptte-defer-ve-async-ile-performans-artisi\/\">JavaScript&#8217;te Defer ve Async ile Performans Art\u0131\u015f\u0131<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/fatihsoysal.com\/blog\/javascriptte-defer-ve-async-ile-performans-artisi\/embed\/#?secret=6DMYKatJiT\" width=\"600\" height=\"338\" title=\"&#8220;JavaScript&#8217;te Defer ve Async ile Performans Art\u0131\u015f\u0131&#8221; &#8212; Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" data-secret=\"6DMYKatJiT\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","description":"Merhaba! Ben Fatih Soysal ve bug\u00fcn size JavaScript'te defer ve async \u00f6zelliklerinin web sitenizin performans\u0131n\u0131 nas\u0131l \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131raca\u011f\u0131n\u0131 anlataca\u011f\u0131m. Bu \u00f6zellikler, \u00f6zellikle sayfan\u0131z\u0131n h\u0131zl\u0131 y\u00fcklenmesi a\u00e7\u0131s\u0131ndan b\u00fcy\u00fck bir \u00f6nem ta\u015f\u0131yor. Bildi\u011finiz gibi, yava\u015f y\u00fcklenen bir web sitesi kullan\u0131c\u0131 deneyimini olumsuz etkiler ve arama motorlar\u0131nda s\u0131ralamada d\u00fc\u015f\u00fc\u015fe neden olabilir. Bu nedenle, JavaScript dosyalar\u0131n\u0131 do\u011fru \u015fekilde y\u00fcklemek, web sitenizin ba\u015far\u0131s\u0131 i\u00e7in kritik bir ad\u0131md\u0131r."}