Crawls your live site, diffs the crawled URL set against sitemap.xml, and returns the exact deltas blocking GSC and Bing from indexing: orphan URLs (linked, not in sitemap), ghost URLs (in sitemap, not reachable via links), canonical conflicts, noindex-in-sitemap, redirect chains. Emits an IndexNow-ready URL list and a GSC-specific fix prompt.
BFS-crawls from the home page, follows same-host internal <a href> links up to the depth/max limits, HEAD-probes each candidate for status, parses canonical + <meta name="robots">, then compares against every URL in /sitemap.xml (auto-discovers sitemap-index children). Fully client-side — no crawler servers, no OAuth, no data leaves your browser.