A smart, safe, and user-configurable hybrid solution.
// ==UserScript==
// @name Ultimate Performance Optimizer (v13.0)
// @namespace http://zeta/
// @version 13.0
// @description A smart, safe, and user-configurable hybrid solution.
// @author Gugu8
// @match *://*/*
// @run-at document-start
// @grant GM_addStyle
// @grant GM_getValue
// @grant GM_setValue
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// -------------------------------------------------------------------------
// --- USER CONFIGURATION ---
// -------------------------------------------------------------------------
const config = {
logLevel: 3,
keepAliveInterval: 300000,
enablePreconnect: true,
enableWillChange: true,
lazyLoadMargin: '300px',
prefetchMargin: '200px',
enableNetworkThrottling: true,
enablePrefetching: true
};
// -------------------------------------------------------------------------
// --- GUI AND STYLING ---
// -------------------------------------------------------------------------
const style = `
#upo-container {
position: fixed;
bottom: 20px;
right: 20px;
background-color: rgba(255, 255, 255, 0.95);
border: 2px solid #7952B3;
padding: 15px;
border-radius: 8px;
box-shadow: 0 6px 15px rgba(0, 0, 0, 0.35);
z-index: 99999;
font-family: sans-serif;
text-align: center;
transition: all 0.3s ease;
}
#upo-container.hidden {
display: none;
}
#upo-boost-btn {
background-color: #7952B3;
color: white;
border: none;
padding: 12px 20px;
border-radius: 5px;
font-size: 16px;
font-weight: bold;
cursor: pointer;
width: 100%;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
margin-bottom: 10px;
}
#upo-boost-btn:not(.disabled):hover {
background-color: #6a4a9f;
transform: translateY(-1px);
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}
#upo-boost-btn.disabled {
background-color: #aaa;
cursor: not-allowed;
}
#upo-boost-btn.boosting {
background-color: #28a745;
animation: pulse-boost 1s infinite alternate;
box-shadow: 0 0 15px rgba(40, 167, 69, 0.8);
}
@keyframes pulse-boost {
from { transform: scale(1); box-shadow: 0 0 15px rgba(40, 167, 69, 0.8); }
to { transform: scale(1.02); box-shadow: 0 0 20px rgba(40, 167, 69, 1); }
}
#upo-disable-btn {
background: none;
color: #7952B3;
border: 1px solid #7952B3;
padding: 5px 10px;
font-size: 12px;
border-radius: 3px;
cursor: pointer;
width: 100%;
}
`;
GM_addStyle(style);
// -------------------------------------------------------------------------
// --- CORE SCRIPT LOGIC (Hybrid Functions) ---
// -------------------------------------------------------------------------
let isBoosted = false;
let upoContainer = null;
let boostButton = null;
let lazyObserver = null;
let prefetchObserver = null;
let willChangeObserver = null;
let domObserver = null;
function log(level, message) {
if (config.logLevel >= level) {
const prefix = level === 1 ? 'Error' : level === 2 ? 'Warning' : 'Info';
const color = level === 1 ? 'color: red' : level === 2 ? 'color: orange' : 'color: #7952B3';
console.log(`%c[UPO - ${prefix}] ${message}`, color);
}
}
// --- On-Demand Functions (run on button click) ---
function setupLazyLoading() {
if (!('IntersectionObserver' in window)) {
log(2, 'IntersectionObserver not supported. Skipping lazy loading.');
return;
}
if (lazyObserver) lazyObserver.disconnect();
lazyObserver = new IntersectionObserver((entries, observer) => {
entries.forEach(entry => {
if (entry.isIntersecting) {
const element = entry.target;
const src = element.getAttribute('data-lazy-src');
if (src) {
element.src = src;
element.removeAttribute('data-lazy-src');
log(3, `Lazy-loaded: ${src}`);
}
observer.unobserve(element);
}
});
}, { rootMargin: config.lazyLoadMargin });
document.querySelectorAll('[data-lazy-src]').forEach(el => lazyObserver.observe(el));
log(3, 'Lazy loading initialized.');
}
function setupPrefetching() {
if (!config.enablePrefetching || !('IntersectionObserver' in window)) {
log(2, 'Prefetching is disabled or not supported.');
return;
}
const connection = navigator.connection || navigator.mozConnection || navigator.webkitConnection;
if (config.enableNetworkThrottling && connection && (connection.effectiveType === 'slow-2g' || connection.effectiveType === '2g')) {
log(3, 'Slow connection detected. Prefetching is disabled.');
return;
}
if (prefetchObserver) prefetchObserver.disconnect();
prefetchObserver = new IntersectionObserver((entries, observer) => {
entries.forEach(entry => {
if (entry.isIntersecting) {
const link = entry.target;
try {
const url = new URL(link.href);
if (url.hostname === window.location.hostname && !['/logout', '/login', '/account'].some(path => url.pathname.includes(path))) {
const prefetchLink = document.createElement('link');
prefetchLink.rel = 'prefetch';
prefetchLink.href = link.href;
document.head.appendChild(prefetchLink);
log(3, `Prefetched: ${link.href}`);
}
} catch (e) {
log(1, 'Error prefetching: ' + link.href + ', ' + e);
}
observer.unobserve(link);
}
});
}, { rootMargin: config.prefetchMargin });
document.querySelectorAll('a[href]').forEach(link => prefetchObserver.observe(link));
log(3, 'Prefetching initialized.');
}
// --- Continuous Background Functions (run on page load) ---
function setupPreconnect() {
if (!config.enablePreconnect) return;
const preconnectDomains = new Set();
setTimeout(() => {
document.querySelectorAll('a[href]').forEach(link => {
try {
const url = new URL(link.href);
if (url.origin !== location.origin && !preconnectDomains.has(url.origin)) {
const preconnectLink = document.createElement('link');
preconnectLink.rel = 'preconnect';
preconnectLink.href = url.origin;
preconnectLink.crossOrigin = 'anonymous';
document.head.appendChild(preconnectLink);
preconnectDomains.add(url.origin);
log(3, 'Preconnected to domain: ' + url.origin);
}
} catch (e) {}
});
}, 2000);
}
function setupKeepAlive() {
if (!config.keepAliveInterval) return;
setInterval(() => {
if (navigator.sendBeacon) {
// Safely send beacon, with a warning if the URL has a query string
const currentURL = window.location.href;
if (currentURL.includes('?')) {
log(2, `A keep-alive beacon is being sent to a URL with a query string. This could interfere with analytics.`);
}
navigator.sendBeacon(currentURL, '');
log(3, 'Sent keep-alive beacon.');
}
}, config.keepAliveInterval);
}
function setupWillChange() {
if (!config.enableWillChange || !('willChange' in document.documentElement.style)) return;
if (willChangeObserver) willChangeObserver.disconnect();
willChangeObserver = new IntersectionObserver((entries) => {
entries.forEach(entry => {
entry.target.style.willChange = entry.isIntersecting ? 'transform, opacity' : 'auto';
});
}, { rootMargin: '100px' });
document.querySelectorAll('a, button, input[type="submit"]').forEach(el => willChangeObserver.observe(el));
log(3, 'Will-change optimization initialized.');
}
function setupDOMObserver() {
if (domObserver) domObserver.disconnect();
domObserver = new MutationObserver((mutations) => {
mutations.forEach((mutation) => {
if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
mutation.addedNodes.forEach((node) => {
if (node.nodeType === 1) { // Element node
if (lazyObserver) {
node.querySelectorAll('[data-lazy-src]').forEach(el => lazyObserver.observe(el));
}
if (prefetchObserver) {
node.querySelectorAll('a[href]').forEach(el => prefetchObserver.observe(el));
}
}
});
}
});
});
domObserver.observe(document.documentElement, { childList: true, subtree: true });
log(3, 'DOM MutationObserver started.');
}
// -------------------------------------------------------------------------
// --- MAIN INITIALIZATION & UI SETUP ---
// -------------------------------------------------------------------------
function activateBoost() {
if (isBoosted) return;
isBoosted = true;
boostButton.innerText = 'BOOSTING... 🚀';
boostButton.classList.add('disabled', 'boosting');
log(3, 'Activating performance boost...');
setTimeout(() => {
setupLazyLoading();
setupPrefetching();
}, 100);
setTimeout(() => {
boostButton.innerText = 'PERFORMANCE OPTIMIZED!';
boostButton.classList.remove('boosting');
setTimeout(() => {
boostButton.innerText = 'BOOST PERFORMANCE';
boostButton.classList.remove('disabled');
isBoosted = false;
}, 1000);
}, 3000);
}
function toggleUIVisibility() {
upoContainer.classList.toggle('hidden');
}
function init() {
log(3, 'UPO v13.0 - The Smart and Safe Solution is ready! ✅');
// Check if the current site is blacklisted
const blacklistedSites = GM_getValue('upo_blacklist', []);
const currentDomain = window.location.hostname;
if (blacklistedSites.includes(currentDomain)) {
log(3, `Site '${currentDomain}' is blacklisted. All continuous optimizations are disabled.`);
return;
}
// Setup continuous background optimizations
setupPreconnect();
setupKeepAlive();
setupWillChange();
setupDOMObserver();
// Setup UI
upoContainer = document.createElement('div');
upoContainer.id = 'upo-container';
document.body.appendChild(upoContainer);
boostButton = document.createElement('button');
boostButton.id = 'upo-boost-btn';
boostButton.innerText = 'BOOST PERFORMANCE';
upoContainer.appendChild(boostButton);
const disableButton = document.createElement('button');
disableButton.id = 'upo-disable-btn';
disableButton.innerText = 'Disable for this Site';
upoContainer.appendChild(disableButton);
// Add event listeners
boostButton.addEventListener('click', activateBoost);
disableButton.addEventListener('click', () => {
const list = GM_getValue('upo_blacklist', []);
if (!list.includes(currentDomain)) {
list.push(currentDomain);
GM_setValue('upo_blacklist', list);
log(3, `Site '${currentDomain}' has been added to the blacklist. Please reload to see the effect.`);
disableButton.innerText = 'Disabled';
disableButton.disabled = true;
}
});
document.addEventListener('keydown', (e) => {
if (e.key === '`' || e.key === '~') {
e.preventDefault();
const tagName = e.target.tagName;
if (tagName === 'INPUT' || tagName === 'TEXTAREA') return;
toggleUIVisibility();
}
});
}
// Run the script
init();
})();