oldnewthing-link-unfucker/oldnewthing-link-unfucker.js

// ==UserScript==
// @name     The Old New Thing link unfucker
// @version  3
// @grant    none
// @match    https://devblogs.microsoft.com/oldnewthing/*
// ==/UserScript==
const rewriteRules = [
  [/^http:\/\/blogs.msdn.com(\/b)?\/oldnewthing\/archive\/([0-9]{4})\/([0-9]{2})\/([0-9]{2})\/[0-9]+.aspx(#.*)?$/,
    'https://devblogs.microsoft.com/oldnewthing/$2$3$4-00/'],
  [/^https:\/\/blogs.msdn.microsoft.com\//,
    'https://devblogs.microsoft.com/'],
];

for (const link of document.getElementsByTagName('a')) {
  let target = link.href;
  if (target === '') {
    continue;
  }
  for (const [regex, replacement] of rewriteRules) {
    target = target.replace(regex, replacement);
  }
  if (target !== link.href) {
  	link.href = target;
    link.parentNode.insertBefore(document.createTextNode('𝌡'), link.nextSibling);
  }
}