SEO Roundup – June 2011

June was an eventful month in the world of SEO including a few updates in and some nice data from seoMoz and comScore.

Google launches the +1 website button

Bing Webmaster Tools Update

Google continues to support canonical tags

Panda update 2.2

Search market share figures in May published

SEOmoz 2011 Search Ranking Factors Survey results