Why Compare XML Sitemaps?

Comparing sitemaps is a critical part of a professional SEO audit, especially during a website redesign or domain migration. By analyzing the "diff" between an old and new sitemap, you can ensure that high-value pages haven't been accidentally removed and that new content is correctly being presented to search engine crawlers.

The Benefit for SEO Migrations

This tool helps you verify your 301 redirect strategy. If a URL is "Removed" from the new sitemap, you must ensure it either has a redirect or is intentionally sunsetted. Conversely, "Added" URLs should be checked for proper indexing status in Google Search Console.