Hardware Acceleration and Web Performance Enhancer

Toggle hardware acceleration and enhance web performance without logging users out

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         Hardware Acceleration and Web Performance Enhancer
// @namespace    http://tampermonkey.net/
// @version      1.4
// @description  Toggle hardware acceleration and enhance web performance without logging users out
// @author       Tae
// @match        *://*/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // Load Quicklink library to enhance link prefetching
    const script = document.createElement('script');
    script.src = 'https://unpkg.com/[email protected]/dist/quicklink.umd.js';
    script.onload = () => {
        if (typeof quicklink !== 'undefined') {
            try {
                quicklink.listen({
                    origins: true,
                    ignores: [
                        (uri) => uri.includes('logout'),
                        (uri) => uri.includes('login'),
                        (uri) => uri.includes('account')
                    ]
                });
            } catch (error) {
                console.error('Error initializing Quicklink:', error);
            }
        } else {
            console.error('Quicklink library is not available.');
        }
    };
    script.onerror = () => {
        console.error('Error loading Quicklink library.');
    };
    document.head.appendChild(script);

    // Global error listener
    window.addEventListener('error', (event) => {
        console.error('Script error:', event.message, 'at', event.filename, 'line', event.lineno);
    });

    // Prevent navigation to logout, login, or account pages on link clicks
    document.addEventListener('click', (event) => {
        const target = event.target.closest('a[href]');
        if (target && (target.href.includes('logout') || target.href.includes('login') || target.href.includes('account'))) {
            event.preventDefault();
            console.warn('Prevented navigation to:', target.href);
        }
    });

    // Prevent 503 errors by sending keep-alive requests
    const sendKeepAlive = () => {
        const url = '/keep-alive';
        if (navigator.sendBeacon) {
            try {
                navigator.sendBeacon(url, '');
            } catch (error) {
                console.error('Error sending beacon:', error);
            }
        } else {
            const xhr = new XMLHttpRequest();
            xhr.open('POST', url, true);
            xhr.onerror = () => {
                console.error('Error with keep-alive request:', xhr.statusText);
            };
            xhr.send('');
        }
    };
    setInterval(sendKeepAlive, 300000); // Send keep-alive request every 5 minutes

})();