If you have no clue what these are or how they can be good for your site, read https://support.google.com/webmasters/answer/156184
I have take the time to create a better system for producing osCommerce specific sitemaps. By clicking one link in your admin area, you will produce 4 XML Sitemaps, ready for use:
4. Special Offers
You can use any or all of these to do wonderful things.
This new system has ZERO core code changes. It has been tested on a site with over 1500 categories and 23000 products – all 4 sitemaps were produced in less than a few seconds.
This new system will be made available in my next Newsletter which is due in the next week, if you have not yet signed up for the Newsletter, please do so at http://www.clubosc.com/oscommerce-news-and-updates.html
Featured XML Image courtesy of Hopstarter…