1. Create a Sitemap
Create a sitemap for Google, Google shopping and other third party shoppping comparison engines
Continually add fresh and unique content to your website. Avoid duplicate content such as content from manufacturers
Videos are more and more important since universal search became a very integrated part within Google
4. Image Optimization
Add alt tags to images
Ok…nothing to add here. Everybody knows that the linkgraph is more important than anything else.
6. Social Media and Reviews
Since Google weighs in reviews, make sure to monitor & engage reviews
Press releases, news and RSS are a crucial part of SEO in 2011. Don’t forget the basics.
9. Describing words
Generic words that describe the products attributes are a good way to gain extra traffic
10. Unique Meta Description and Meta Titles per domain