Find every 404, redirect, SSL error & domain expiration. Instantly. Free.
📁 Drag & drop CSV/TXT/XLSX
or click to upload
404 detection, redirects, soft 404s, SSL validation, domain expiration monitoring
Download as CSV, filter by status, view headers & redirect chains
Check 100 URLs in seconds. Adjustable concurrency limits.
No login, no limits, no ads. Run as many checks as you want.
Drag & drop a CSV file or paste URLs directly. Up to 100 per check.
Choose user-agent and detection options. Advanced settings are optional.
View status codes, redirects, headers, SSL info, and more. Export as CSV.
Find broken links hurting your rankings. Fix with 301 redirects to preserve link equity.
Verify XML sitemaps before submitting to Google Search Console.
Check all redirects are in place after domain changes or URL restructuring.
Scan crawler exports, analytics data, or spreadsheets for dead links.
Detect multi-hop redirects wasting crawl budget and slowing sites.
Test URLs with different user-agents. Mobile sites often have different redirects.
A page returning HTTP 200 but acting like 404 (empty content, error redirect). Search engines treat these like real 404s, hurting SEO.
For internal: restore page, update link, or 301 redirect. For external: remove or replace with working alternative.
301 = permanent (transfers ranking). 302 = temporary (keeps original indexed). Use 301 for migrations, 302 for temp changes.
Each redirect adds 100-200ms to load time. Multiple redirects hurt Core Web Vitals and user experience.
Yes. Download as CSV or view in the results table. Filter by status code before exporting.
Up to 100. For larger batches, split into groups. For site-wide crawls, use Screaming Frog or Ahrefs.