SEO Canonicalisation Plugin Plugin

SEO Canonicalisation is a system plugin for Joomla! 1.5 that enables site 'canonicalisation', which means that when a user hits your site from another domain than your preferred (for example, www.sammoffatt.com.au instead of sammoffatt.com.au), Joomla! will redirect the user to the appropriate hostname. Previously this would have to be accomplished by utilising a .htaccess redirect.

If this extension is misconfigured it may prevent access to your site. It is recommended that you utilise the "Check Settings" option before publishing the extension. Additionally, you can rename the /plugins/system/canonicalization.php file to diasble the extension temporarily to allow access to the administrator if you have enabled that option.

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bywhershfeld on October 30, 2009
I recall having to mess with the .htaccess file on prior sites - this plugin makes redirecting for correct domain name resolution a snap. Google indexes correctly and accurately!
byRossflash on October 23, 2009
I have to thank you for this little piece of gold.
This plugin saved me lots of time and frustation.
Had a website for a client with a custom Flash menu and header (and html menu) and it was imperative to use www.site.com or the flash menu wouldn't work for some reason with site.com ...and was a big project a few of the components were incompatible with sh404SEF or any kind of seo tool to redirect and the .htacces file wouldn't let us redirect 301 in the server, everytime we modified the file the whole server just crashed and had to reinstall the backup.
A hell of a nightmare.
I could see myself seating in front of my pc figuring out a way around this problem and came across this plugin... took me 10 seconds to install it and be the happiest guy in planet.

Use it if you need to redirect your site.com to www.site.com install the plugin and once you are in the plugin just type your www.site.com in the host field

Many thanks. =o)
bytecwzrd on October 18, 2009
Love this simple extension that is set and forget. Use it on every website. Sure you can also do the same thing using htaccess but using this extension is just too easy.
bygr8sale on September 29, 2009
Good Plugin, Thank You!
byDevx1 on August 27, 2009
Very useful plug-in thank you!
The title says it all forget the tricky business of modifying your .htaccess file and install this little beauty.

Highly recommended!
byv2interactive on May 14, 2009
i'm with godaddy and using multiple domains under one hosting account. they said that they could only modify the dns for one domain (which i totally doubt, but i don't know much about DNS), anyways, this works JUST as advertised. fantastic tool for anyone who wants a set it, and forget it SEO tool.
byUjo Ales on April 11, 2009
Simple but effective. Very good when you have any domain aliases and need redirect all of them to only one address. Or if you need add "WWW" before your domain name even if user forgets to type it.

All your domains with/without www will be automatically moved to only one www.your-domain.com which can be specified by you. Ideal solution for SEO because Mr. Google will not find your other addresses (and penalize you for duplicate content) any more.

How it works?
Simply install from website > go to Extensions > Plugins then select System - Canonicalization. Then publish this plugin and don't forget to specify which domain (with or without www) will be used from now.