Google have changed it's Favicon Logo. According to official Blog of Google It's take 7 month to renews the Favicon logo of Google.
When you entered the Google URL you found new Logo Of Google where Google provides you to submit your own ideas for important piece of Google branding.
Google's New Favicon Logo Rolled Out | Google Updated Their Favorite New Blue Fav Icon | Story Behind Google’s New Favicon
According To Google Developer Team: "After Getting people's Idea them made a lots of change in Favicon logo".
