SEO glossary

301 redirect

An HTTP status code that permanently sends users and search engines from one URL to another and transfers ranking signals to the new URL.

Use 301 redirects when you change URLs, merge pages, move to HTTPS or change domains. Keep them in place for as long as the old URLs still receive links or traffic.

Trace any redirect with our Redirect Checker.

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XML Sitemap ValidatorFind and validate the XML sitemap of any website: XML errors, URL count, sitemap indexes, lastmod dates, duplicates and robots.txt declaration.HTTP Header CheckerSee all the HTTP response headers of any URL, with checks for indexing (X-Robots-Tag), compression, caching and security headers.Redirect CheckerFollow every redirect of a URL: see each hop, its status code (301, 302, 307, 308), redirect chains, loops and the final destination.

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