EBay's PayPal service generated $233.1 million, or 23%, of eBay's revenue in first quarter. PayPal has been widely adopted by buyers and sellers on eBay's auction marketplace as a way to pay for purchases. Recently, eBay has been trying to expand PayPal's presence as a payment system for other Web sites. In first quarter, 71% of PayPal's revenue came from eBay auctions, company says.

"It could be a pretty big negative for eBay if it happens," says Safa Rashtchy, Internet analyst at Piper Jaffray. Mr. Rashtchy said he believes Google is also working on a classified listing service, which also would compete with eBay, which is based in San Jose, Calif.

Learn more at Foovy Search Engine.

5) After you have your site ready for spider bots you should search sites that are related to your own sites theme and get them to link to your site. The best way to do this is by typing your main keywords into search engines and seeing what sites list highest. Write a short email to top ranking sites webmasters and state that you have viewed there site and whish to trade links with them. Tell them about something you enjoyed reading on there site and how you would like to link to it through your own site. Then ask them to link to a particular part of your site. Keep doing this over and over.