Free, no sign-up
Free technical SEO tools
Quick checks for one file or one URL. When you want the whole picture, audit every page in your sitemap.
Sitemap validator
Check a sitemap is valid, reachable and within Google's limits.
Open the sitemap validator →robots.txt checker
See what your robots.txt allows Googlebot, Bingbot and others to crawl.
Open the robots.txt checker →Redirect checker
Trace a URL's redirect chain, status codes and final destination.
Open the redirect checker →Need more than one URL?
A full audit checks every page in your sitemap for 18 technical SEO problems. Start free, no sign-up.
Audit my whole site free