Use <meta name="viewport" content="width=device-width, initial-scale=1"> as default.
// ==UserScript== // @name Auto meta viewport // @namespace https://github.com/NateScarlet/Scripts/tree/master/user-script // @description Use <meta name="viewport" content="width=device-width, initial-scale=1"> as default. // @run-at document-end // @include * // @version 2023.08.27+66b8f8ff // ==/UserScript== "use strict"; (() => { // src/auto-meta-viewport.user.ts function main() { if (document.querySelector('meta[name="viewport"]')) { return; } const el = document.createElement("meta"); el.name = "viewport"; el.content = "width=device-width, initial-scale=1"; document.head.append(el); } main(); })();