As expected the over optimization algorithm Google’s Matt Cutts pre-announced a few weeks ago is now live according to the Google Search Blog.

Well, Google said it is rolling out now, but trust me, based on the volume of posts in the forums and complaints, it is indeed being rolled out and seen by webmasters.

Google is calling the update the “webspam algorithm update” according to Danny Sullivan Google told Danny:

Either way, Cutts explains somewhat of what this algorithm update targets. It seems to go after content spam, spun articles and keyword stuffing. Here are screen shot examples given by Cutts:

Of course, content out there just for link spam:

Google said it might not be able to see which types of sites would be affected by it by just glancing at the site. Google said to detect these sites it would require “deep analysis or expertise.”

3% Of Queries Affected

While Panda impacted about 12% of search queries, this impacts about 3%. Cutts wrote:

There are tons of complaints in the ongoing WebmasterWorld thread and Google Webmaster Help forums of course.

Forum discussion at Google+, WebmasterWorld, DigitalPoint Forums, Cre8asite Forums and Google Webmaster Help.

Update: This is now named the Penguin Update.