Part of making your Drupal Commerce store search engine friendly is making your content easy to find for search engines, and one good way to do this is to generate an XML sitemap of your website's pages, which tells search engine the following:
The address of every page that you would like them to consider including.
The relative importance of each page in your website compared to other pages in your website. Your homepage may be more important than your terms and conditions page, for example.
The frequency with which each page on your website is updated.
Firstly, you may find it useful to create a View in your Drupal Commerce store that lists all products in your store), as online XML sitemap generators work based upon the links they find between pages on your website. To create a View that lists all products in your Drupal Commerce store, see http://drupal.org/node/863852. Next, find an online XML sitemap generator such...