Google Search Algorithm Patent

On the 31 Dec 2003, Google applied for a patent for their search algorithm. Some 15 months later, the application has finally been posted at the US Patent Office.

Some notable features of the 14,000 word patent includes:

* Pagerank is not mentioned, but seems to have changed slightly to include features to limit link spamming and reduce stale results.
* Bigger is better.
* You will be ranked better by who advertisers with you.
* Google snoops into your favorites, cookies and cache in order to rank sites.
* Increased ranking if you own a legitimate domain, and your ranking will go down if you own a illegitimate domain. Legitimate is determined by whether you registered your site for a large numbers of years, and Illegitimate is if you only registered your site for only a short number of years.
* They will penalize domains "associated" with "illegitimate" domains.
* Unique Words, Bigrams, Phrases in Anchor Text have a great affect on how your site is ranked.
* Google monitors the amount of time you stay on a site that you've gone to from a Google search.

http://www.realityseo.com/2005/04/google-search-algorithm-patented.html


There are some great SEO tips in there.