About a month ago, we reported that Googlers indeed know if a site is impacted by an algorithm or not – not just if a site is impacted by a manual action.

Today, Google’s John Mueller showed that to be the case again when he responded (on Christmas eve) to a webmaster in Google Webmaster Help forums.

He said:

He is likely references the Panda algorithm which is all about content quality. So this seems to be another example of Google showing they know a site is impacted by an algorithm, which is why I want Google to add this to the Google Webmaster Tools dashboard.

That being said, I love John’s personal advice, especially the last line:

Forum discussion at Google Webmaster Help.