Good point, we have added a regular expression replace string to the code to stop that happening. see here:

http://www.seo-creare.co.uk/downloads/canonical/?tracking=111&&id=jim-will_fixit&&

With the sites that we build we use permalinks to re-direct parameters via a .htaccess file, hence why we don’t have the need for the canonical link element on crearecommunications.

We have previously done a video blog on htaccess files or you can use this simple editor to create one for yourself.

http://www.htaccesseditor.com/en.shtml#a_redirect

Nick and James

Seems you have a problem, what happens if you request a canonical URL?

If you use SERVER['REQUEST_URI'] you are getting the request URL rather then the URL you want the search engine to see

……so

for example if you load up the page http://www.seo-creare.co.uk/downloads/canonical/?tracking=111

the canonical will be

http://www.seo-creare.co.uk/downloads/canonical/?tracking=111

As you script is looking at the requested URL.

Good job this script isn’t on your home page, you might lose your nice ranking on “SEO” due to a duplication.

John