SEO Moz finds a very high correlation between a higher rankings and Google + activity. In fact, according to SEO Moz, after Page Authority, a URL’s number of Google +1s is more highly correlated with search rankings than any other factor. Here’s a summation of the benefits of Google +
1. Posts are crawled and indexed almost immediately
2. Google+ posts pass link equity
3. Google+ is optimized for semantic relevance
If you have not set up and linked your website to Google +, now is the time. Google + was made with SEO in mind, take advantage of the benefits. Read the rest of the article and get started today!
Google +1’s Amazing Correlation with Higher Search Rankings – Moz.
UPDATE!!!!
It appears as though Google’s Matt Cutts has come decided to weigh in on the Moz study by stating “Google Plus posts do not influence a website’s ranks. He also made similar comments about facebook posts. Read the rest of the article here:
http://za.news.yahoo.com/google-matt-cutts-1s-don-t-affect-search-041000650.html