That's when I picked up the November 2015 update (which many were calling Phantom 3). This was a huge update, with many sites seeing movement that was affected by previous quality updates (and Phantom 2 in particular). Check out the trends below across multiple sites. You can clearly see the connection with Phantom 2. google-quality-update-nov19-historygoogle-quality-update-nov19-drop-cquality-update-google-nov19-surge January 2016: another quality connection? As webmasters settled in from Phantom 3 and vacation, the Richter scale in my office
started shaking again. It was January 2016, which also seemed related to previous quality updates. Searchmetrics covered the update on their blog. I also saw a lot of movement in the January update. Additionally, Google confirmed that there was a basic fax number list ranking algorithm change at this time. quality-update-google-jan-tweet A Good Start to Summer 2016: The June Update Then we had a scorching start to the summer with the June 2016 Quality Update. This was one of the biggest I've seen, with many sites seeing significant movement and volatility.
The link to previous quality updates was extremely clear. After posting an article covering the update, many companies contacted me about the moves they were seeing. This includes sites whose rankings and traffic increase significantly and others drop significantly. Again, this was a big update. google-quality-update-june26-dropquality-update-google-june-26-surge-dgoogle-quality-updates-june26-surge-sm Frequency of quality updates It looks like it needs a data refresh, as well as an algorithm rollout, for websites to see the changes.