Google tests preview button in mobile SERPs

Google is testing a "preview" button for mobile search results pages. This new feature named “Quick View” will let a user load a page from the source web site in a quicker method, instead of loading the full page.  One good example is the Wikipedia result in Google shows a large blue button for “Quick View.” The example below should a result for "seo."

The action of clicking on the “Quick View” button  will take a user to a light-weight version of the page. 

This quick view feature could have a of of value for mobile advertising as well from a design perspective.