Following these guidelines will help Google find, index, and rank your site. Even if you choose not to implement any of these suggestions, we strongly encourage you to pay very close attention to the "Quality Guidelines," which outline some of the illicit practices that may lead to a site being removed entirely from the Google index or otherwise penalized. If a site has been penalized, it may no longer show up in results on Google.com or on any of Google's partner sites.

There are "over 200 SEO factors" that Google uses to rank pages in the Google search results (SERPs). What are the search engine optimization rules?
Here is the speculation - educated guesses by SEO webmasters on top webmaster forums. Should you wish to achieve a high ranking, the various confirmed and suspected Google Search Engine Optimization (SEO) Rules are listed below.