This is from cscartrocks.com. Please let me introduce a new cs-cart addon to the community.
CS-Cart Canonical URL and Duplicate Content Fix Addon
This is a must have addon for every CS-Cart store. This addon will add canocial url tag to each of CS-Cart homepage, category page, product page and cms page. It can effectively solve the problems caused by duplicate content and thus your website ranking will become much better after installing this addon.
This addon will also 301 redirect non-seo url to seo url. For example, Custom Application Development Software for Business - Salesforce.com will be redirected to Custom Application Development Software for Business - Salesforce.com. This is a strong vote for your seo url thus it will help your ranking as well.
We welcome any feature request and suggestions.