This contribution is now outdated.

You should now be on PHP5 and using KissMT Dynamic SEO Meta & Canonical Header Tags.

Powerful seo meta tags & canonical elements in just 5 minutes.

The canonical tags as recommended by Mat Cutts of Google protect you against not only duplicate content but also indexed osCsid.

Download:
http://addons.oscommerce.com/info/7199

Support:
http://forums.oscommerce.com/topic/3...seo-meta-tags/

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