Paste a domain and we find the sitemap the way crawlers do — robots.txt first, /sitemap.xml second — then validate it: how many URLs it offers, whether they carry lastmod dates, and the malformed entries that quietly break crawling.
The tool reads your live robots.txt for Sitemap directives, fetches the sitemap (or the exact URL you paste), and validates the XML: index vs urlset, URL counts, lastmod coverage, non-absolute URLs, duplicates and empty files. For a sitemap index it also opens the first child sitemaps so the totals mean something.
The damage is usually quiet: a sitemap that 404s, an index whose children are empty, or zero lastmod dates so crawlers cannot tell what changed. Each one delays discovery of new pages by days or weeks — which, for AI answers built on fresh retrieval, means not existing at all.
The full SeoVision audit checks your whole crawl path — robots, sitemaps, AI crawlers, structured data — and then measures what Google and AI assistants actually say about you.
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