Free tool

Sitemap compare

Enter two sitemap URLs and we'll show you exactly what changed.

Free, no signup. We read publicly available pages and respect robots.txt.

Diffs two sitemaps and reports what was added, removed and kept. Run it before and after a migration and the removed list is your redirect checklist.

How it works

  1. 1

    Both sitemaps are fetched and parsed into URL sets.

  2. 2

    We compute three sets: URLs only in the second, URLs only in the first, and URLs in both.

  3. 3

    The removed list is the important one — every entry needs a redirect or it becomes a 404.

Questions about this tool

When is this most useful?
Immediately before and after a replatform. The URLs that vanish are the ones that will 404 for anyone holding a link, and they are almost always more numerous than anyone expects.
Can I compare a staging site to production?
Yes, as long as both sitemaps are publicly reachable. Bear in mind the hostnames will differ, so every URL will read as changed — compare paths rather than full URLs in that case.

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