- 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.
SEO Landscape Changes
This is a chronological list of important algorithm changes, Google Panda/Penguin data updates, and changes to best practices that might affect my clients. I use this list with my quarterly SEO reviews to make sure that there aren’t changes to the “SEO landscape” since the last review that I haven’t addressed with each client.