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Strip utm parameters from README links

Cleans utm_ tracking parameters from Markdown content links before you click them.

Code to copy

// Strip utm_* tracking parameters from README links
document.querySelectorAll('.markdown-body a[href*="utm_"]').forEach(function (a) {
  try {
    var u = new URL(a.href);
    [...u.searchParams.keys()].forEach(function (k) {
      if (/^utm_/i.test(k)) u.searchParams.delete(k);
    });
    a.href = u.toString();
  } catch (e) {}
});

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's JavaScript panel and save — it runs on every page visit.