This week Matt Cutts released a video outlining the plans for changes to the Google algorithm that may affect SEO in the next few months. Some of the major points of the video are:
This week many webmasters saw a significant drop in traffic on Wednesday May 15th from blog/link networks. Google has been systematically targeting these link networks over the past couple of months and there will be more to come.
Google is cracking down on “unnatural” links across the Internet to eliminate the effectiveness of many link building campaigns. What constitutes a “natural” link is becoming more strictly defined as the Google algorithm becomes more sophisticated.