Free SEO tools
Single-purpose checkers and tools. All free, no signup.
Website checkers
Enter a URL and we check the live page (and pages from your sitemap) on our servers.
- Broken link checkerCheck any web page for broken internal and external links, broken images and links that redirect. Also checks 20 pages from your sitemap for 404s. Free, no signup.Run checker
- Redirect checkerTrace every redirect hop for a URL, spot 302s that should be 301s, redirect chains and loops, HTTP to HTTPS and www redirects, and internal links that redirect. Free.Run checker
- Meta tag checkerCheck a page’s title tag, meta description, canonical, robots, viewport, Open Graph and X card tags, and find duplicate titles and descriptions across your site. Free.Run checker
- hreflang checkerCheck a page’s hreflang tags: valid language and region codes, a self-referencing tag, x-default, and duplicates. See every language version listed. Free, no signup.Run checker
- XML sitemap checkerValidate your XML sitemap: is it found and valid, listed in robots.txt, and does it include your page? We also test 20 sitemap URLs for errors, redirects and noindex. Free.Run checker
- Security headers checkerCheck a site’s HTTP security headers: HSTS, Content-Security-Policy, X-Content-Type-Options, X-Frame-Options and Referrer-Policy, plus HTTPS and mixed content. Free.Run checker
Browser tools
Quick tools that run entirely in your browser. Nothing is uploaded.
- Google snippet previewSee how your title and meta description look in Google, and whether they’ll be cut off.Open tool
- robots.txt testerTest any URL against your robots.txt for Googlebot, Bingbot and AI crawlers.Open tool
- SEO audit templateA 40-point SEO audit checklist you can tick off, print, or download as a spreadsheet.Open tool
- llms.txt generatorCreate an llms.txt file that helps AI tools understand and cite your site.Open tool