Instant loading by preventing web bloat, forcing content display and neutralizing telemetry.
// ==UserScript==
// @name PureRender
// @namespace https://github.com/wandersons13/PureRender
// @version 0.3
// @description Instant loading by preventing web bloat, forcing content display and neutralizing telemetry.
// @author wandersons13
// @match *://*/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=web.dev
// @run-at document-start
// @grant GM_addStyle
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @license GNU
// ==/UserScript==
(function() {
'use strict';
const currentHost = window.location.hostname;
const isExcludedHost = /^(gemini\.google\.com|.*\.youtube\..*|youtube\..*)$/.test(currentHost);
const userExcluded = GM_getValue('excluded_sites', []);
if (userExcluded.some(site => currentHost.includes(site))) return;
const noop = () => {};
const killTelemetry = () => {
const trackers = [
'ga', 'gaGlobal', 'GoogleAnalyticsObject', 'dataLayer', 'fbq',
'_gaq', '_gat', 'monitoring', 'newrelic', 'StackExchange',
'amplitude', 'mixpanel', 'intercom', 'hubspot'
];
trackers.forEach(t => { if (window[t]) window[t] = undefined; });
if (navigator.sendBeacon) navigator.sendBeacon = () => true;
console.clear = noop;
};
killTelemetry();
const blockedKeywords = [
'google-analytics', 'googletagmanager', 'facebook.net', 'adservice',
'telemetry', 'analytics', 'doubleclick', 'hotjar', 'scorecardresearch',
'pixel', 'metrics', 'log-event', 'segment.io', 'amplitude.com',
'sentry.io', 'newrelic.com', 'crashlytics', 'mixpanel.com', 'stats.g.doubleclick.net',
'browser-update.org', 'cloudfront.net/ad', 'inspectlet.com', 'mouseflow.com'
];
const shouldBlock = (url) => {
if (!url || typeof url !== 'string') return false;
const lowUrl = url.toLowerCase();
return blockedKeywords.some(keyword => lowUrl.includes(keyword));
};
window.fetch = new Proxy(window.fetch, {
apply(target, thisArg, args) {
const url = typeof args[0] === 'string' ? args[0] : args[0]?.url;
if (shouldBlock(url)) return Promise.reject(new Error('Blocked by PureRender'));
return Reflect.apply(target, thisArg, args);
}
});
const nativeOpen = XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function(method, url) {
if (shouldBlock(url)) { this.send = noop; return; }
return nativeOpen.apply(this, arguments);
};
if (!isExcludedHost) {
GM_addStyle(`
html, body {
display: block !important;
visibility: visible !important;
opacity: 1 !important;
scroll-behavior: auto !important;
}
#preloader, .preloader, #loader, .loader, #loading, .loading,
[class*="spinner"], [id*="spinner"], .loading-overlay,
[class*="preloader-"], [id*="preloader-"],
.overlay-fixed, #overlay-fixed {
display: none !important;
opacity: 0 !important;
visibility: hidden !important;
pointer-events: none !important;
}
`);
const unlock = () => {
try {
document.body.style.setProperty('overflow', 'auto', 'important');
document.body.style.setProperty('position', 'relative', 'important');
document.documentElement.style.setProperty('overflow', 'auto', 'important');
window.addEventListener('wheel', (e) => e.stopPropagation(), { capture: true });
window.addEventListener('touchmove', (e) => e.stopPropagation(), { capture: true });
} catch (e) {}
};
window.addEventListener('load', unlock, { once: true });
setTimeout(unlock, 2000);
}
GM_registerMenuCommand("🚫 Exclude this site", () => {
if (!userExcluded.includes(currentHost)) {
userExcluded.push(currentHost);
GM_setValue('excluded_sites', userExcluded);
location.reload();
}
});
GM_registerMenuCommand("🔄 Reset Exclusion List", () => {
GM_setValue('excluded_sites', []);
location.reload();
});
})();