copy-page-info.user.js

// ==UserScript==
// @name         Copy page info to the clipboard
// @namespace    https://shotasenga.com/
// @version      1.0.2
// @description  CTRL+C to copy page info
// @author       [email protected]
// @match *://*/*
// @grant GM_setClipboard
// @grant GM_notification
// ==/UserScript==
(function () {
  "use strict";

  document.addEventListener("keydown", (e) => {
    if (e.key === "c" && e.metaKey && window.getSelection().type !== 'Range') {
      copyPageInfo();
      GM_notification({
        title: "GM_notification",
        text: "Page info is copied!",
      });
    }
  });

  function copyPageInfo() {
    const title = document.title;
    const url = location.href;
    GM_setClipboard([title, url].join("\n"), "text");
  }
})();