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HTTP 301 Moved Permanently
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Meaning
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Result appears here as you type
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// about this tool

HTTP 301 Moved Permanently Online

Updated 2026-10-24

HTTP 301 Moved Permanently tells the browser, and every search engine, that a URL has moved for good and future requests should go straight to the new address. It's the correct code whenever a page, domain, or URL structure changes permanently and you want ranking signals to carry over.

Reach for 301 for permanent moves: URL restructures, domain migrations, or retiring an old path in favor of a new one. If the redirect is only temporary (a maintenance page, an A/B test, a seasonal promotion), use 302 instead, so search engines keep the original URL indexed. For every other status code at once, use the full HTTP Status Codes reference.

// how to use

  1. 1 The code is already looked up below, with 301 pre-filled.
  2. 2 Type any other status code to look that one up instead.
  3. 3 Copy the result, or use the full HTTP Status Codes reference for every code at once.

// examples

The code itself
Input
301
Output
301 Moved Permanently: Redirection (3xx). The resource has permanently moved to a new URL.
The code it's often confused with
Input
302
Output
302 Found: a TEMPORARY redirect; the original URL should stay in search results and bookmarks.

// common uses

Setting up a redirect after moving a page or changing a URL structure Deciding between 301 and 302 for a redirect Understanding SEO impact when restructuring a site Checking what a status code in server logs actually means

// faq

Is anything uploaded to a server?
No. This is a static table already loaded in your browser, so nothing about the code you type is sent anywhere. 301 itself has been part of HTTP since version 1.0 in 1996.
Why does 301 matter so much for SEO?
A 301 tells search engines the move is permanent, so they transfer the old URL's ranking signals to the new one and eventually stop crawling the old address. Using 302 (temporary) instead means search engines keep indexing the old URL, splitting or losing that value.
Does a 301 redirect pass all the SEO "link juice"?
Nearly all of it, in modern search engines, since 301s are treated as consolidating ranking signal to the destination URL, which is why permanent domain moves and URL restructures should always use 301, not 302.
Will browsers cache a 301 redirect?
Yes, often aggressively; browsers may remember a 301 and skip the request to the old URL entirely on future visits, which is powerful but also means a mistaken 301 can be sticky to fix on the visitor's end.
What HTTP method does a 301 preserve?
Historically, some clients converted a POST to a GET on a 301 redirect; if you need the method preserved exactly, 308 Permanent Redirect is the modern, unambiguous choice for that.

// works with your data

HTTP 302 Found HTTP 304 Not Modified HTTP 404 Not Found HTTP Status Codes URL Parser Text Repeater

Use this via API

Get a free API key → 
curl -X POST https://thesnaptools.com/api/v1/tools/http-301 \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"text":"301"}'