Sergey Alakov shared a couple of Google tests over the weekend, where Google is showing a call to action overlay/pop up in the mobile search results for hotel listings. The goal with this overlay is to encourage searchers to view the hotel costs and book online via Google.
Here is Sergey's animated GIF of this in action:
Google is testing "view rates" pop-up for hotel listings. cc:@rustybrick @jenstar @mblumenthal pic.twitter.com/13Dyt9uWWF
— Sergey Alakov (@sergey_alakov) April 23, 2017
Later on, he spotted the same functionality but with a red background color behind the button:
Google is frequently testing local UI variations, so this should surprise no one.
Forum discussion at Twitter.