Tab Crawler: The selection isn't huge, but you'll find a fair number of video game tabs here, most of which are from classic games like Doom, Final Fantasy 7, and the Legend of Zelda.
Don't try to fool the search engine crawler by attempting to deliver it HTML content that's different than the image or display that your visitors actually see.
It wasn't until 1990 that Alan Emtage of McGill University created "ARCHIVES" (or "Archie" as it became known) which used an early version of a web crawler.
The obvious difference is when the average Joe gets picked up for drunk driving, his mug shot isn't plastered all over TMZ and announced on the CNN crawler.
You can get your website quickly noticed by the Yahoo crawler, and identified as a high quality, valuable website if you follow the following guidelines.
So, Yahoo does actually use an algorithm for its web crawler, which sifts through hundreds of thousands of sites on the Internet constantly.
This is why the Bing.com submission page starts with "Generally our web crawler, BingBot, can find most pages on the Internet."
Trying to fool the Yahoo crawler using various keyword, linking or other schemes will only work in the short term.
Never attempt to hide links or text on any web page simply to attract the search engine crawler.