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Speed Up Web Page Loading

Make web pages load faster by blocking ads and implementing lazy loading for images.

当前为 2024-06-15 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Speed Up Web Page Loading
  3. // @namespace    https://discord.gg/gFNAH7WNZj
  4. // @version      1.0
  5. // @description  Make web pages load faster by blocking ads and implementing lazy loading for images.
  6. // @author       Bacon But Pro
  7. // @match        *://*/*
  8. // @grant        none
  9. // @license MIT
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.  
  15.     // Block ads and tracking scripts
  16.     const blockedDomains = [
  17.         'doubleclick.net',
  18.         'googlesyndication.com',
  19.         'google-analytics.com',
  20.         'adsafeprotected.com',
  21.         'adnxs.com',
  22.         'rubiconproject.com',
  23.         'pubmatic.com',
  24.         'scorecardresearch.com',
  25.         'bluekai.com'
  26.     ];
  27.  
  28.     const observer = new MutationObserver(() => {
  29.         document.querySelectorAll('script[src], iframe[src]').forEach(el => {
  30.             blockedDomains.forEach(domain => {
  31.                 if (el.src.includes(domain)) {
  32.                     el.remove();
  33.                 }
  34.             });
  35.         });
  36.     });
  37.  
  38.     observer.observe(document.documentElement, { childList: true, subtree: true });
  39.  
  40.     // Implement lazy loading for images
  41.     document.addEventListener('DOMContentLoaded', () => {
  42.         const images = document.querySelectorAll('img');
  43.  
  44.         images.forEach(image => {
  45.             if (image.complete) return;
  46.             image.setAttribute('loading', 'lazy');
  47.         });
  48.  
  49.         const lazyLoadObserver = new IntersectionObserver((entries, observer) => {
  50.             entries.forEach(entry => {
  51.                 if (entry.isIntersecting) {
  52.                     const img = entry.target;
  53.                     img.src = img.dataset.src;
  54.                     observer.unobserve(img);
  55.                 }
  56.             });
  57.         });
  58.  
  59.         images.forEach(img => {
  60.             if (img.dataset.src) {
  61.                 lazyLoadObserver.observe(img);
  62.             } else {
  63.                 img.dataset.src = img.src;
  64.                 img.src = '';
  65.                 lazyLoadObserver.observe(img);
  66.             }
  67.         });
  68.     });
  69.  
  70. })();