Optimizes website loading speed, reduces CPU and RAM usage, disables telemetry and ads, and defers non-critical JavaScript. (Script assisted by ChatGPT)
当前为
// ==UserScript==
// @name Universal Website Optimizer (WIP Beta Ver) / 通用網站優化工具 (實驗性)
// @name:zh-TW 通用網站優化工具 (實驗性)
// @namespace https://github.com/jmsch23280866
// @version 0.2
// @description Optimizes website loading speed, reduces CPU and RAM usage, disables telemetry and ads, and defers non-critical JavaScript. (Script assisted by ChatGPT)
// @description:zh-TW 加速網站載入速度，減少CPU和RAM使用，禁用遙測和廣告，延遲非關鍵JavaScript載入。（此腳本由ChatGPT協助撰寫）
// @author 特務E04
// @license MIT
// @match *://*/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
// 禁用遙測和廣告資源
const blockList = [/google-analytics\.com/, /analytics\.js/, /gtag\/js/, /doubleclick\.net/, /connect\.facebook\.net/, /adsbygoogle\.js/, /googlesyndication\.com/, /chartbeat\.com/, /scorecardresearch\.com/, /cloudflareinsights\.com/, /adbottw\.net/, /googletagservices\.com/, /googletagmanager\.com/, /pubads\.g\.doubleclick\.net/, /securepubads\.g\.doubleclick\.net/];
// 攔截不必要的資源
function interceptRequests() {
const originalOpen = XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function(method, url) {
if (blockList.some(regex => regex.test(url))) {
console.log('Blocked request to:', url);
return;
}
originalOpen.apply(this, arguments);
};
const observer = new MutationObserver((mutations) => {
mutations.forEach(mutation => {
mutation.addedNodes.forEach(node => {
if (node.tagName === 'SCRIPT' && node.src) {
if (blockList.some(regex => regex.test(node.src))) {
console.log('Blocked script:', node.src);
node.remove();
}
} else if (node.tagName === 'LINK' && node.rel === 'stylesheet') {
if (blockList.some(regex => regex.test(node.href))) {
console.log('Blocked stylesheet:', node.href);
node.remove();
}
}
});
});
});
observer.observe(document.head, {
childList: true,
subtree: true
});
}
// Lazy load 圖片
function enableLazyLoad() {
const lazyLoadObserver = new IntersectionObserver((entries, observer) => {
entries.forEach(entry => {
if (entry.isIntersecting) {
const img = entry.target;
if (img.dataset.src) {
img.src = img.dataset.src;
}
observer.unobserve(img);
}
});
});
document.querySelectorAll('img').forEach(img => {
if (img.dataset.src) {
lazyLoadObserver.observe(img);
}
});
}
// 避免使用 document.write()
function avoidDocumentWrite() {
const originalWrite = document.write;
document.write = function(content) {
console.log('Blocked document.write():', content);
};
}
// 使用門面元件延遲載入 YouTube 影片
function replaceYouTubeEmbeds() {
document.querySelectorAll('iframe[src*="youtube.com/embed/"]').forEach(iframe => {
const videoId = new URL(iframe.src).pathname.split('/').pop();
const thumbnailUrl = `https://img.youtube.com/vi/${videoId}/hqdefault.jpg`;
const facade = document.createElement('div');
facade.style.position = 'relative';
facade.style.width = '100%';
facade.style.height = '0';
facade.style.paddingBottom = '56.25%';
facade.style.background = `url(${thumbnailUrl}) center center / cover no-repeat`;
facade.style.cursor = 'pointer';
facade.dataset.videoId = videoId;
const playButton = document.createElement('div');
playButton.style.position = 'absolute';
playButton.style.top = '50%';
playButton.style.left = '50%';
playButton.style.transform = 'translate(-50%, -50%)';
playButton.style.width = '60px';
playButton.style.height = '60px';
playButton.style.background = 'rgba(0, 0, 0, 0.5)';
playButton.style.borderRadius = '50%';
playButton.style.display = 'flex';
playButton.style.alignItems = 'center';
playButton.style.justifyContent = 'center';
playButton.innerHTML = `<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M8 5V19L19 12L8 5Z" fill="white"/>
</svg>`;
facade.appendChild(playButton);
facade.addEventListener('click', () => {
const iframe = document.createElement('iframe');
iframe.src = `https://www.youtube.com/embed/${videoId}?autoplay=1`;
iframe.style.position = 'absolute';
iframe.style.top = '0';
iframe.style.left = '0';
iframe.style.width = '100%';
iframe.style.height = '100%';
iframe.frameBorder = '0';
iframe.allow = 'accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture';
facade.replaceWith(iframe);
});
iframe.replaceWith(facade);
});
}
// 延遲載入非關鍵 JavaScript
function deferNonCriticalJS() {
document.querySelectorAll('script').forEach(script => {
if (!script.hasAttribute('defer') && !script.hasAttribute('async')) {
script.setAttribute('defer', 'defer');
}
});
}
// 在主要內容載入完畢後再載入第三方程式碼
function deferThirdPartyScripts() {
const thirdPartyScripts = [];
document.querySelectorAll('script').forEach(script => {
if (blockList.every(regex => !regex.test(script.src))) {
thirdPartyScripts.push(script);
script.remove();
}
});
window.addEventListener('load', () => {
thirdPartyScripts.forEach(script => {
document.body.appendChild(script);
});
});
}
// DOMContentLoaded 事件觸發後執行優化腳本
document.addEventListener('DOMContentLoaded', function() {
interceptRequests();
enableLazyLoad();
avoidDocumentWrite();
replaceYouTubeEmbeds();
deferNonCriticalJS();
deferThirdPartyScripts();
});
// 監控動態加載的廣告和遙測腳本
const observer = new MutationObserver((mutations) => {
mutations.forEach(mutation => {
mutation.addedNodes.forEach(node => {
if (node.tagName === 'SCRIPT' && node.src) {
if (blockList.some(regex => regex.test(node.src))) {
console.log('Blocked script:', node.src);
node.remove();
}
} else if (node.tagName === 'LINK' && node.rel === 'stylesheet') {
if (blockList.some(regex => regex.test(node.href))) {
console.log('Blocked stylesheet:', node.href);
node.remove();
}
}
});
});
});
observer.observe(document.body, {
childList: true,
subtree: true
});
})();
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