GSC 'Marked as Fixed' Button Forces Accelerated Recrawl for Error Patterns

The "Marked as Fixed" button in GSC operates as a direct prioritization lever rather than a passive status update, details John Mueller.

When a practitioner submits an error pattern, the system bypasses standard crawl scheduling and isolates a representative sample of the affected URLs.

If this initial sample returns a clean response, the algorithm triggers a "faster recrawl" for the entire remaining batch of URLs matching that exact pattern.

Separately, this mechanism reverses systemic deindexing caused by aggressive CDN bot-protection layers.

When a host firewall or security interstitial serves a 200 response code to the crawler instead of a 503, Googlebot interprets the challenge as the actual page content and collapses the affected URLs into a single false canonical.

While the algorithm ignores temporary hiccups, outages persisting longer than 24 hours force the system to drop the URLs from the index.

Stripping the rogue firewall rules and immediately triggering the validation button forces the system to overwrite the false canonicals at an accelerated rate.