Google’s John Mueller addressed the question of why they don’t disclose most Google algorithm updates and changes in this mornings Google hangout not just once, but twice. He did so at the 8 minute mark and the 14:18 minute mark into the video.

The short answer is that Google does hundreds of changes per year and it isn’t useful, in their perspective, to disclose that they did two updates today, 3 yesterday, 2 the other day and so on. He said it isn’t useful to do so. He added that when Google can give specific guidance to webmasters, like with the mobile friendly update, where they can give webmasters notice to make their sites mobile friendly, that is something actionable and useful.

I should note, Gary Illyes from Google recently said Google doesn’t deny algorithm updates. But not denying and confirming them are two different things…

Let me share each video embed and the transcript so you can watch yourself:

Forum discussion at Google+.