Google uses both schema.org markup and og:image meta tag for thumbnails in Google Search and Discover
Google clarified this within its Google image best practices and Google Discover documentation.
Topic: Thumbnail
A technical guide to video SEO
Discover advanced SEO techniques for video content, including self-hosting versus YouTube embedding and fool-proof indexing checks.
Google: Video must be main content to appear as thumbnail
When a video isn't the main content, Google won't show it as a thumbnail. Google's testing showed a "minimal impact" on publishers.
Google improves error classification in video indexing report
The total number of errors should not change, this is just a reclassification of those errors.
Video Extensions in Microsoft Advertising give search marketers opportunity to test video ads in SERPs
Video Extensions give advertisers the opportunity to test new types of visual ads directly in search results.
Google showing image thumbnails in mobile search results snippets more often
Make sure you richen up your pages so they benefit from showing images in the Google search results snippets.
Report: Google’s mobile search results now show image thumbnails 45% of the time
There was a 183% increase in the chances you'll see an image thumbnail in the mobile Google Search Results.
Google mobile search results now showing images in the snippets
Google is now showing images in the mobile search results for product-like queries. Do you like the new mobile search snippets?
Google Adds “Page Preview” To Search Options
Google Operating System noticed Google has added a new search option named “page preview.” If you go to Google, search on something and click on “show options,” you can then look towards the button on the left hand side and click on “page previews.” For example, here is a view of a search for apple […]
Blogger Image Thumbnails In Google A Bug?
Steve Rubel reported seeing an excess of what he calls “Blog Thumbnails” in the Google search results. In short, when you do certain searches, Google may show little thumbnail alongside the first set of results. For Steve, this has been happening for “blogger’s name and some other related keywords.” Personally, I have been seeing these […]
Court Reverses Preliminary Injunction Against Google Showing Thumbnail Images
Court ends ruling halting Google sex thumbnails from Reuters covers the US 9th Circuit Court of Appeals lifting a preliminary injunction against Google over showing thumbnail images. In February 2006, a lower court ruled in favor of Perfect 10, which claimed Google violated copyright law by displaying thumbnails of images from its web site.