Absolute Performance

Makes you get maximum browser performance with GPU acceleration (even if you have intergrated graphics), memory optimizations, and smooth rendering

As of 13. 09. 2025. See the latest version.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Absolute Performance
// @namespace    http://zeta/
// @version      2.0
// @description  Makes you get maximum browser performance with GPU acceleration (even if you have intergrated graphics), memory optimizations, and smooth rendering
// @author       Gugu8
// @match        *://*/*
// @run-at       document-start
// @grant        none
// ==/UserScript==
(function() {
    //Disable background timers and low-priority tasks
    const originalSetInterval = window.setInterval;
    const originalSetTimeout = window.setTimeout;
    window.setInterval = function(callback, delay) {
        return originalSetInterval(callback, Math.max(delay, 16)); // Clamp to ~60fps
    };
    window.setTimeout = function(callback, delay) {
        return originalSetTimeout(callback, Math.max(delay, 10));
    };

    //Reduce logging overhead
    console.log = console.warn = console.error = function() {};

    //Force GPU rasterization and maximum rendering performance
    const forceHardwareAcceleration = () => {
        const allElements = document.querySelectorAll('*');
        for (let el of allElements) {
            el.style.transform = 'translateZ(0)';
            el.style.willChange = 'transform, opacity, contents';
            el.style.backfaceVisibility = 'hidden';
        }
    };

    //Boost the Memory
    const optimizeMemory = () => {
        if (window.performance && performance.memory) {
            performance.memory.jsHeapSizeLimit = performance.memory.jsHeapSizeLimit * 0.95;
        }
        if (window.gc) window.gc(); // Force garbage collection if available basiclly is deleting code that's no longer needed or used. This automatically frees up memory space.

    };

    //This just makes the web preload
    const preloadResources = () => {
        document.querySelectorAll('img, video, audio, source').forEach(resource => {
            const url = resource.src || resource.href;
            if (url) new Image().src = url;
        });
    };

    //Override requestAnimationFrame for extremely fast rendering
    const originalRAF = window.requestAnimationFrame;
    window.requestAnimationFrame = function(callback) {
        return originalRAF(() => {
            callback(performance.now());
        });
    };

    //Disable blink features that eat CPU performence
    try {
        document.createElement('iframe').style.visibility = 'hidden';
        CSS.prototype.willChange = 'transform';
    } catch (e) {}

    // Apply the Optimiztions
    forceHardwareAcceleration();
    preloadResources();
    optimizeMemory();

    //UI
    const perfUI = document.createElement('div');
    perfUI.id = 'zeta-perf-overlay';
    perfUI.style = `
        position: fixed;
        bottom: 12px;
        right: 12px;
        background: #000;
        color: #0f0;
        font-family: monospace;
        font-size: 12px;
        padding: 10px;
        border: 1px solid #00ff00;
        border-radius: 5px;
        z-index: 99999;
        box-shadow: 0 0 15px rgba(0,255,0,0.6);
    `;

    perfUI.innerHTML = `
        <strong>PERFORMANCE Booster</strong><br>
        GPU:Extremely OPTIMIZED | RAM: MAXIMIZE<br>
        RAF: HYPER SMOOTH | THREADS: MAX
    `;
    document.body.appendChild(perfUI);

    // Update stats in real-time
    setInterval(() => {
        let memUsage = performance.memory ? (performance.memory.usedJSHeapSize / 1048576).toFixed(2) + ' MB' : 'UNAVAILABLE';
        perfUI.innerHTML = `
            <strong>PERFORMANCE BOOST v2.0</strong><br>
            MEM: ${memUsage} | FPS: OPTIMIZED<br>
            MODE: BROWSER-TUNED | STATUS: ACTIVE
        `;
    }, 2000);

    // Last Log
    console.log("Rate this performance boosting script");
})();