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How To Set Up 301 Redirects using htaccess File

This guide explains how to set up 301 redirects using the htaccess file on an Apache server. Setting up 301 redirects can also be achieved through domain registras (domain redirects) and server control panels (cPanel, Plesk, etc).

This guide explains the following points in order (scroll down to view each) :

  • What is the purpose of a 301 redirect?
  • Are 301 redirects search engine friendly?
  • How to set up a 301 redirect using htaccess?
    • Redirecting a single file to another file on the same domain.
    • Removing a file extension.
    • Redirecting a file extension to another file extension.
    • Redirecting a single file to another file on a different domain.
    • Redirecting a domain to a new domain.
    • Redirecting WWW to non-WWW and vice-versa.
    • Redirecting WWW sub-domain to non-WWW sub domain.

What is the purpose of a 301 redirect?

The purpose of a 301 redirect is to move a web page’s address from one location to another.

Are 301 redirects search engine friendly?

Yes! It is the recommended method when permanently moving the contents of a web page to another.

How to set up a 301 redirect?

Go to the public root folder of your website (eg. public_html) and either create a .htaccess file or edit it if it already exists. To create the file, simply upload a htaccess.txt file and rename it to “.htaccess” (without the .txt file extension).

Once the .htaccess file is in the public root folder of the website, add one of the following lines to the file depending on what you wish to achieve.

Redirecting a single file to another file on the same domain

Redirect 301 /old.html /new.html

In this example, “old.html” will be redirected to “new.html”. If you have more files to redirect, copy and paste the line again but replace “old.html” and “new.html” with different files you want to redirect.

Removing a file extension

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^([^\.]+)$ $1.php [NC,L]

This code can be used to remove the .php file extension from your website’s .php pages. Therefore, “domain.com/page.php” will be changed to “domain.com/page” when trying to load the php page. Simply change “php” to the file extension of your choice.

Redirecting a file extension to another file extension

RewriteEngine On
RewriteCond %{REQUEST_URI} .php$
RewriteRule ^(.*).html$ /$1.php [R=301,L]

This example shows the extension .html redirecting to the .php extension.

Redirecting a single file to another file on a different domain

Redirect 301 /old.html http://domain.com/new.html

Old.html will now go to new.html.

Redirecting a domain to a new domain

RewriteEngine on
RewriteCond %{HTTP_HOST} ^domain.com [NC,OR]
RewriteCond %{HTTP_HOST} ^www.domain.com [NC]
RewriteRule ^(.*)$ http://new-domain.com/$1 [R=301,L,NC]

Domain.com will now go to New-domain.com.

Redirecting WWW to non-WWW and vice-versa

Non-WWW to WWW :

RewriteEngine on
RewriteCond %{HTTP_HOST} ^domain.com [NC]
RewriteRule ^(.*)$ http://www.domain.com/$1 [R=301,L]

WWW to non-WWW :

RewriteEngine on
RewriteCond %{HTTP_HOST} ^www.domain.com [NC]
RewriteRule ^(.*)$ http://domain.com/$1 [R=301,L]

Redirecting WWW sub-domain to non-WWW sub domain

RewriteEngine on
RewriteCond %{HTTP_HOST} www.sub.domain.com$
RewriteRule ^(.*)$ http://sub.domain.com/$1 [R=301,L]
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