I highly doubt Google did any quality update yesterday, as they said updates like Penguin aren’t happening until next year but with core search algorithms, those are constantly being tweaked.

The last update we saw was around December 16th and this was not a confirmed Google update.

Now I am seeing some chatter around a December 29th Google update. Here are some quotes from the ongoing WebmasterWorld thread:

Most of the automated tracking tools aren’t updated yet today but RankRanger does show a bit of volatility today. SERPs.com shows a drop off, which is unusual. But the rest seem pretty static.

Have you seen any changes this week in your Google traffic, outside of the holiday/new years stuff that is expected (of course it is hard to isolate patterns during the last week of December).

I did ask a few SEOs, especially Glenn Gabe who follows Phantom closely and he said:

Forum discussion at WebmasterWorld.