Google: analysis of ranking algorithms!

Here it is nearing midnight, and another round of re-engineering of Google ranking algorithms is over at Seomoz.org . Thirty-seven leading SEO experts spent a sleepless night figuring out "if there is life on Mars", namely what parameters influence the formation of Google-rating. More than 200 factors affecting the rating were investigated, which covers approximately 90-95% of the known parameters of Google-rating.

Top 10 Positive Factors 1. Keyword Use in Title Tag 2. Global Link Popularity of Site 3. Anchor Text of Inbound Link 4. Link Popularity within the Site 5. Age of Site 6. Topical Relevance of Inbound Lin ... 7. Link Popularity of Site in Topic ... 8. Keyword Use in Body Text 9. Global Link Popularity of Linkin ... 10. Rate of New Inbound Links to Site

Top 5 Negative Factors 1. Server is Often Inaccessible to ... 2. Content Very Similar or Duplicat ... 3. External Links to Low Quality / Sp ... 4. Duplicate Title / Meta Tags on Man ... 5. Participation in Link Schemes or ...

Full text with expert comments is here: http://www.seomoz.org/article/search-ranking-factors