Yesterday I reported about the early chatter and reports of a Google algorithm update brewing. Well it seems to be the real thing based on the feedback I’ve received over the past 24 hours or so.

Of course, Google’s John Mueller gave the blanket Google statement on Twitter:

There are tons of comments on my original story from webmasters saying they were hit. And there are tons of tweets as well.

Here are some comments on this site:

Here are updated charts from the algorithm tracking tools:

Mozcast:

SEMRush:

RankRanger:

AccuRanker:

Advanced Web Rankings:

SERP Metrics:

Algoroo:

So I would say this is a core ranking update to Google’s search ranking algorithms.

Forum discussion at WebmasterWorld, Black Hat World and Twitter.