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What Is a HTTP 301 Redirect

Most Important Things About HTTP 301 Redirects

Purpose: Shows that a web page has permanently moved to a new location.

HTTP Status Code: The server responds with a 301 status code.

Permanence: This tells Google and other search engines and browsers that the move is permanent.

SEO Impact: Passes most of the link equity (ranking power) to the new URL.

User Experience: Automatically redirects users to the new page.

Browser Behavior: Browsers cache this redirect, speeding up future requests.

Implementation: Can be set up in .htaccess files, server configuration or content management systems.

Common Uses

  • Moving a website to a new domain
  • Consolidating multiple pages
  • Changing URL structures

301 differs from 302 (temporary redirect) in search engine treatment and caching behavior.

Implementation Methods

1. .htaccess (Apache): For redirecting a single page.

Redirect 301 /old-page.html https://www.example.com/new-page.html

2. For redirecting an entire domain.

RewriteEngine On
RewriteCond %{HTTP_HOST} ^oldsite.com [NC]
RewriteRule ^(.*)$ https://newsite.com/$1 [L,R=301]

3. Nginx: In the server block of your Nginx configuration

server {
listen 80;
server_name old-name.com;
return 301 $scheme://new-name.com$request_uri;
}

4. PHP

<?php
header("HTTP/1.1 301 Moved Permanently");
header("Location: https://www.newsite.com/new-page.php");
exit();
?>

5. JavaScript

window.location.href = "https://www.newsite.com/new-page.html";

6. Meta Refresh

<meta http-equiv="refresh" content="0;url=https://www.newsite.com/new-page.html">

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