Search Engine Ranking Factors| Everyday SEO | SEO Tips | SEO Optimization

The algorithms used by Google, Yahoo!, or MSN Live Search to calculate search results can change at any time, therefore we generally avoid citing specific details regarding particular search engines and their algorithms. Search engines have been known to occasionally modify their algorithms and, as a result, turn the SERPs upside down. Examples of this include Google’s Florida and Big Daddy updates.

www.soregrapes.com/articles/196/1/Search-Engine-Ranking-Factors.html