Fyrd/caniuse — pull request #655 by jpvincent (2014-07-26 15:43:47+00:00)
Title: Safari 8 (iOS, OSX) beta supports navigation timing API

According to catchpoint, Safari 8, currently in beta will support the navigation timing API, on both desktop and iOS http://blog.catchpoint.com/2014/07/25/navigation-timing-safari/