Hier mein Userscript, was den Overlay entfernt (brauchst ein Userscriptplugin dafür).

// ==UserScript==
// @name        Fick Heise CookieDlg
// @namespace   custom::heise
// @match       https://www.heise.de/*
// @grant       none
// @version     1.0
// @author      -
// @description 28.5.2024, 09:25:09
// ==/UserScript==

function run() {
  const homepage = document.querySelector("html div[data-upscore-zone='ho_homepage_full']");
  if(homepage != null) {
    homepage.style.height = "100vh";
    homepage.style.overflow = "scroll";
    return;
  }

  const article = document.getElementById("bottom-up") || document.getElementById("meldung");
  if(article != null) {
    article.style.height = "90vh";
    article.style.overflow = "scroll";
    return;
  }
}

run();