Chris: Geek Guy » www http://chris.gg Tech news and other stuff from a UK-based web developer and all-round geek Tue, 06 Dec 2011 19:40:33 +0000 en hourly 1 http://wordpress.org/?v=3.0.4 Using ISAPI Rewrite to redirect domain.com to www.domain.com http://chris.gg/2010/03/using-isapi-rewrite-to-redirect-domain-com-to-www-domain-com/ http://chris.gg/2010/03/using-isapi-rewrite-to-redirect-domain-com-to-www-domain-com/#comments Mon, 08 Mar 2010 12:18:00 +0000 Chris Barnes http://chris.gg/?p=643 My employer’s SharePoint-powered external website – which I look after – uses ISAPI Rewrite to provide “friendly” URLs for certain pages, and also to redirect old URLs to their new locations. Coming from a LAMP background, this is great for me as it basically works the same as Apache’s mod_rewrite.

Previously the website responded to requests for both domain.com and www.domain.com, which is not ideal. SEO best practice is to either redirect the non-WWW version to the WWW version, or vice-versa. In my case, www.domain.com is the preferred format, so I’m using the following rule:

### Redirect domain.com to www.domain.com
RewriteCond Host: ^domain\.com
RewriteRule (.*) http\://www\.domain\.com$1 [I,RP]

If you want to do the opposite, you’ll need this one:

### Redirect www.domain.com to domain.com
RewriteCond Host: ^www\.domain\.com
RewriteRule (.*) http\://domain\.com$1 [I,RP]
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