Worried that your shopping cart isn't SEO friendly? Ajay Kumar Singh at SEO Chilli has looked into some of the more popular php/mySQL-based shopping carts currently available to publishers. Criteria utilized for this assessment included each shopping cart's provision (or not) of built-in SEO capabilities, and whether or not SEO-friendly components such as meta tags and descriptions were customizable.

Here's an excerpt of the article:

While choosing the best eCommerce shopping cart for online business website people often ignore the SEO while focusing more on the features being offered by the shopping cart. When they have completed the shopping cart installation, configuration and try to promote the online shop then only they will realize that they are in trouble waters as shopping carts are notoriously bad for the SEO.

So what one should look into the shopping cart Search Engine Optimization? This article investigates some of the most popular shopping carts and their SEO capabilities.

Here's the link:
Which is the best shopping cart for SEO | Search Engine Optimization