◧ DEVELOPER Updated July 25, 2026

HTTP Status Code Lookup

Every status code explained in one line.

HTTP status code
Result
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How it works

Codes are grouped into five classes by their first digit; the tool returns the registered name, a plain-English meaning and whether responses with that code are cacheable by default per RFC 9110.

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Frequently asked questions

301 or 302 for SEO?

Use 301 for permanent moves so link equity transfers; 302 tells crawlers to keep indexing the original.

What does 429 mean?

You have been rate limited. Back off and check for a Retry-After header.

Comments

Comments aren't enabled yet. When you're ready, this is where a service like Giscus, Disqus, or a custom form would go — the slot is already reserved on every tool page.