A crawl comparison, or crawl diff, lines up two comparable crawls and lists the differences: new and removed URLs, status code changes, and changes to titles, canonicals and other elements.
It is the fastest way to catch a regression introduced by a release.
Regressions often slip in silently. Comparing crawls surfaces them before a client or a traffic drop does.
VisibilityKit Crawler compares two comparable crawls and alerts you to the differences. Crawl history and crawl-over-crawl comparisons are part of the Marketer plan.
The same site and similar scope and settings, so differences reflect the site rather than the crawl configuration.
Marketer and Agency.
A saved point-in-time copy of a crawl's results, kept for later comparison.
A crawl that runs automatically on a set schedule instead of being started by hand.
Re-checking a page after a fix ships to confirm, with evidence, that the issue is actually resolved.
How long a server takes to respond to a request for a page.
A desktop SEO crawler for macOS, Windows and Linux. Find what is broken, assign the work, then verify every fix. Crawl data stays on your machine.
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