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Scan your website for broken links, 404 errors, and redirects. Fix them to improve SEO, user experience, and crawl efficiency.
Run a comprehensive AI readiness audit including SEO score, content helpfulness, schema, trust signals, and 50+ more factors.
Run Full AI AuditMost broken-link audits run quarterly because they're tedious. Then a year goes by, you publish 80 new posts, and a third of your outbound references quietly 404. The links are still there in your HTML — they just go nowhere now.
This checker scans every link on a page in parallel and reports back in seconds: which return 404, which got hijacked into a redirect chain (the death-by-a-thousand-301s problem), which time out, and which point at domains that no longer exist. We treat 200-but-suspicious responses (parked domains, expired certificates, soft 404s that return "OK" with a "page not found" body) as warnings rather than passes — you almost certainly don't want your readers landing on a domain squat page.
One thing worth knowing: external 404s aren't always your problem to fix. If you cited a study and the source took it down, the citation still has historical value. Either find the archive.org snapshot and link to that, or note the broken link inline. Stripping the citation entirely is worse for trust than leaving a noted dead link.
Scan a URL for 404s, redirect chains, and dead external links.
Enter your full website URL into the input field at the top of the tool.
Click the scan button. The tool fetches your page and runs the analysis in the background.
Review the report. Each finding includes a plain-English explanation and a recommended fix.
Implement the recommended changes on your site, then re-run the scan to confirm the issue is resolved.