Google is testing shading the background color in gray behind the favicon and site name and URL for the mobile search results. It brings a little bit more of a design flair to the ten blue links, ...

About a year ago, we covered numerous tests with shaded site name and favicon sections of the snippet. Google continues to test this, but we're now seeing a blue gradient version of the style.

Google revised their documentation on Favicons in order to add definitions in response to user questions received about favicons and what to use. The updated version of the documentation is ...