Google Web Fundamentals <a rel="nofollow" class="external text" href="https://github.com/google/WebFundamentals/tree/master/src/site/icons">icons</a>, released under <a rel="nofollow" class="external text" href="https://github.com/google/WebFundamentals/blob/master/LICENSE">Apache 2.0</a>
Google
2014-07-01
<a rel="nofollow" class="external text" href="https://github.com/google/WebFundamentals/tree/master/src/site/icons">Google Web Fundamentals</a>