Older entries:

• Google: 1,653 Search Launches With 9,800 Live Experiments & 130,336 Search Quality Tests | April 28, 2017
• Google Hotel Booking Interface Testing Carousel Layout | April 26, 2017
• Google Tests Dropping AMP Logo From Search Results | April 24, 2017
• Google "View Rates" Call To Action Overlay For Hotel Listings Search Results | April 24, 2017
• Google Tries New Design For Tags In Search Snippets | April 19, 2017
• Google Tests Local Knowledge Panels Without Maps | April 6, 2017
• Google Tests URL At Top Of Search Results Snippets | April 5, 2017
• Google Search Snippets Showing "Tags" | March 31, 2017
• Google Tests Breadcrumbs At Top Of Search Results Snippets | March 31, 2017
• Google Tests New Video Carousel In Search Results | March 10, 2017
• Google Tests New Recipe Search Results User Interface | March 7, 2017
• Google Test Card Style Local Finder In Maps Results | February 27, 2017
• Google Tests New Format For Related Searches | February 21, 2017
• Google Featured Snippets Now Always With People Also Ask? | February 14, 2017
• Google Launches Dynamic Loading People Also Ask | February 13, 2017
• Google Lists Top Websites In Carousel User Interface | February 9, 2017
• Google Adds Search Filters Via Carousels For Some Queries | February 3, 2017
• Google Tests More Carousel Features In Local Card | January 30, 2017
• Google Horizontal Scrollable Local Pack Ads | January 27, 2017
• Google Search Testing Box Layout Design Again | January 23, 2017
• Google Adds Book Previews Now On Mobile Search | January 23, 2017
• Google: The Mobile Friendly Icons Confused Searchers Initially | January 17, 2017
• Google Jump To Links In Mobile Search Snippets | January 13, 2017
• Google Tests New Mobile Search Results Interface? | December 26, 2016
• Is Google AdWords Testing Underlining Display URLs? | December 20, 2016
• Google AdWords Tests Capitalizing First Letter In Display URL? | December 14, 2016
• Confirmed: Google Rolling Out New Desktop Search Interface | December 5, 2016
• Google Knowledge Panel With Video Carousel | November 30, 2016
• Google Tests Basic "Back To Top" Button On Mobile | November 29, 2016
• Google AMP Search Results Snippet Banner - Lightning-Fast Experience | November 25, 2016
• Google Local Pack Testing Showing Query Above Map | November 21, 2016
• Google Knowledge Panel Adds Like & Dislike Buttons | November 18, 2016
• Google Search Tests New User Interface | November 14, 2016
• Google Testing New AMP News Carousel Design? | November 10, 2016
• Google Tests Clunky "Back To Top" Button In Mobile Search Results | November 4, 2016
• Google Drops The Knowledge Graph Snippet Overlay | November 3, 2016
• Google Tests Another New Layout | October 28, 2016
• Google Tests Different Green Color For Snippet URL In Search Results | October 25, 2016
• Google Testing Sitelinks Icons | October 24, 2016
• Google Back Button Behavior Triggers People Also Search For Carousel | October 14, 2016
• Google Displays More Images In Mobile Web Results | October 6, 2016
• Google Maps Tests Blue Pins & Gray Map Icon | October 5, 2016
• Google Tests Hotel Booking Ads At Top Instead Of Right Side | September 26, 2016
• Google Maps Local Pack & Map Listings Testing Light Blue Color | September 26, 2016
• Google Tests Shadows With The Card Style Layout | September 22, 2016
• Google Tests A Whiter Desktop Search Experience | September 16, 2016
• Google Mobile Showing Image Thumbnails In Some Search Result Snippets | September 16, 2016
• Google Review Snippets With The Reviewers Name | September 12, 2016
• Google Testing Bolder AMP Logo In Search Results | September 8, 2016
• The Google Mobile Friendly Label Is Now Officially Gone | August 31, 2016