As we wrote in our osCommerce Mistakes to Avoid article, search engine friendly urls play an important part in osCommerce search engine optimization and the ranking of your website on Google, Yahoo and Bing. However, the default urls in the default osCommerce installation are dynamically created and contain the ids of the products and categories.
Fortunately, there are several modules available that will convert the dynamically generated urls into search engine friendly urls. Ultimate Seo Urls is one such osCommerce seo module that is available as a free addon. With the Ultimate Seo Urls module, not only will your once dynamic urls appear as static urls but they will also contain the names of your products and categories which is an important factor when optimizing an osCommerce website.