SEOmoz | Google Search Engine Ranking Factors

SEOmoz Google Search Engine Ranking Factors: "#
Keyword Use Factors

The following components relate to the use of the user's search query terms in determining the rank of a particular page.
Keyword Use in Title Tag

Placing the targeted search term or phrase in the title tag of the web page's HTML header
4.9

Exceptional Importance
0.4

High Consensus

EGOL
Gets bolded in the SERPS and is a heavy hitter in optimization.

Andy Hagans
This title tag has consistently been the most important on-page SEO factor for the past few years.

Russ Jones
Most important for CTR in SERPS, but generally the most powerful HTML tag you have at your disposal. I chose moderately weighted because of the duplicate content issues. A good title tag can help a little, a bad title tag can ruin a page.

Christine Churchill
If you have time to do only one SEO action on your site, take the time to create good titiles.

Elisabeth Osmeloski
Not only is it one of your strongest chances to impact rankings, it is undoubtedly your BEST chance to convert a searcher to a visitor within the SERPS. Get the click, get the conversion.

Chris Boggs
We have seen great and rapid results modifying the keyword use in the title,"