View difference between Paste ID: SsLne7bs and NBdB58JW

 // ==UserScript==
 // @name         RG Tweet Video Remover
 // @namespace    http://tampermonkey.net/
 // @version      1.0
 // @description  Floating RG button activates/deactivates tweet_video post removal
 // @author       you
-// @match        *://twitter.com/*
+// @match        *://nitter.privacydev.net/*
-// @match        *://x.com/*
+// @match        *://nitter.poast.org/*
 // @match        *://xcancel.com/*
 // @match        *://lightbrd.com/*
 // @match        *://nitter.net/*
 // @grant        none
 // ==/UserScript==
 
 (function() {
     'use strict';
 
     let isActive = false;
     let observer = null;
 
     function removeRelevantPosts() {
         const items = document.querySelectorAll('.timeline-item, article, [data-testid="tweet"]');
         items.forEach(function(item) {
             if (
                 item.innerHTML.includes('video.twimg.com%2Ftweet_video%2F') ||
                 item.innerHTML.includes('video.twimg.com/tweet_video/')
             ) {
                 item.remove();
             }
         });
     }
 
     function setButtonActive(active) {
         if(active){
             removeRelevantPosts();
             observer = new MutationObserver(() => {
                 removeRelevantPosts();
             });
             observer.observe(document.body, {childList:true, subtree:true});
             fabButton.style.background = isDarkMode() ? '#048848' : '#23be78';
             fabButton.style.color = '#fff';
             fabButton.title = 'RG Active: Hides tweet_video posts';
         } else {
             if(observer) observer.disconnect();
             observer = null;
             fabButton.style.background = isDarkMode() ? '#222' : '#fff';
             fabButton.style.color = isDarkMode() ? '#fff' : '#005940';
             fabButton.title = 'RG Inactive: Click to activate';
         }
     }
 
     function isDarkMode() {
         return window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
     }
 
     // Create floating button
     let fabButton = document.createElement('button');
     fabButton.textContent = "RG ";
     fabButton.setAttribute('aria-label', 'Remove GIF posts');
     fabButton.title = 'RG Inactive: Click to activate';
     fabButton.style.position = 'fixed';
     fabButton.style.bottom = '24px';
     fabButton.style.left = '116px'; // ~2 places to right from far left; each "place" ~46px, adjust for your UI.
     fabButton.style.zIndex = '99999';
     fabButton.style.fontSize = '18px';
     fabButton.style.padding = '10px 18px';
     fabButton.style.borderRadius = '24px';
     fabButton.style.border = '1.5px solid #ccc';
     fabButton.style.boxShadow = '0 4px 24px rgba(0,0,0,0.11)';
     fabButton.style.fontWeight = 'bold';
     fabButton.style.cursor = 'pointer';
     fabButton.style.transition = 'background 0.2s,color 0.2s';
     fabButton.style.background = isDarkMode() ? '#222' : '#fff';
     fabButton.style.color = isDarkMode() ? '#fff' : '#005940';
     fabButton.style.userSelect = 'none';
 
     document.body.appendChild(fabButton);
 
     let style = document.createElement('style');
     style.textContent = `
     #__rg_fab_button:active {transform: scale(0.98);}
     `;
     document.head.appendChild(style);
 
     fabButton.addEventListener('click', function() {
         isActive = !isActive;
-    // Persist state on reload
+
     });
 
     // Persist state on reload
     window.addEventListener("pageshow",function(){
         setButtonActive(isActive);
     });
 
     // Optional: update button color on theme change
     window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', function() {
         setButtonActive(isActive);
     });
 })();