Google’s SEO algorithm history in complete order from 2015 to present time in July 2017. As you know Google uses multiple algorithms in each search query. I’ve gone out of the way to publish a list so my clients will have an understanding.
- A complete list of 2018 and 2019.
- November 2, 2015 – Google’s App Interstitial ad penalty goes live.
- April 22, 2015 – Google’s Mobile Update, favoring mobile-friendly sites when searching on mobile devices
- May 6, 2015 – new Search Analytics in GWT allows you to see search query terms per landing page (vs. [not provided] in Google Analytics)
- June 3, 2015 – at SMX Advanced, Maile Ohye of Google mentions that interstitials that cover the page’s content cause the covered content to be seen as less important/relevant
- June 18, 2015 – Google core search algo update
- June 26, 2015 – spammy structured markup penalties
- July 3, 2015 – possible Penguin data update
- July 8, 2015 – Google+ reviews now available on mobile
- July 18, 2015 – Google Panda 4.2 starts to roll out
- August 14, 2015 – Google Panda 4.2 appears to have been rolled back
- October 2, 2015 – Gary Illyes confirms Google Panda 4.2 is still rolling out (or, is it rolling BACK out with some fixes?)
- October 27, 2015 – Google announces RankBrain, part of the Hummingbird portion of the ranking algorithm.