Top highlights of 2013
(THIS IS JUST the headlines from the report - click on the source for a detailed analysis).
1. Keyword domains and keyword links have lost relevance
2. Brands are the exception to many rules
3. Social signals continue to correlate very well with better rankings
4. Good content is always important: it comes to quality!
5. The number of backlinks remains immensely important
6. On-page technology remains one of the basics
More info (full study here): http://www.searchmetrics.com/en/services/ranking-factors-2013/