Ebay has a marketing handbook which can help you in optimizing for ebay - Ebay Marketing Handbook . See description below.

“Marketing Handbook Offers Marketing Information All in One Place

In an effort to make it easier for you to market your solutions to the eBay community, we created the new eBay Developers Program Marketing Handbook.

We’re hoping you’ll find the information helpful and that it will shed some light on how to get more involved with the eBay community. We’ve included sections about how to optimize your listing in the eBay Solutions Directory, how to create your own success stories, how to write a press release and distribute it through a wire service, how to build your own eBay Group for free, and more. “