amazon_skip_advertisement.user.js

// ==UserScript==
// @name amazon_skip_advertisement
// @match *://www.amazon.de/*
// @grant none
// ==/UserScript==

const traverse_videos = (f) => {Array.from(document.getElementsByTagName("video")).forEach(f)};

document.addEventListener(
  "click",
  (event) =>
    {
      if (!document.querySelector(".atvwebplayersdk-ad-timer-countdown").contains(event.target)) {return;}
      traverse_videos(v => {v.fastSeek(v.currentTime + 13)});
      event.preventDefault();
      event.stopPropagation();
    },
  true
);