Fortune Interactive hat eine interessante Studie über SE Rankingfaktoren veröffentlicht:

Summary of SEMLogic™ Analysis
For the keyphrase “auto insurance”, we have seen the following:

* There is significant overlap in the optimal ranges for key factors across the search engines.
* This makes cross-engine optimization more easily attainable for “auto insurance”.
* However, one of the more important factors, IBL Quality, has one of the smallest degrees of three-way overlap.

* IBL Quality was NOT the most important factor across the board for “auto insurance” as it was for “laptop”.
* IBL Quantity is of least importance relatively among the off-page factors across the board. The same was true in the competitive landscapes for “laptop”.

* Achieving the coveted trifecta of ranking well across the search engines requires strong values in the two most important influential factors for each search engine. The same was true in the competitive landscapes for “laptop”.
* The top 10 positions for ‘auto insurance’ have rankings that may not be as stable as they think.