YouTube/Icons

2009–2011
Still used on some pages.

2011–2013; 2014
This favicon was used starting in December 2011 and was replaced in 2013 by the next favicon, but it returned in late 2014 for a brief period.

2015–2017
The gradients were completely removed from the icon in October 2015.

2017–present
Following its logo change in 2017, the icon was redesigned and became pure red.