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, don’t you think?

Every Organic Search Headline That Matters—Updated Daily
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, don’t you think?