guardian/frontend — pull request #3529 by rich-nguyen (2014-03-14 15:26:27+00:00)
Title: Add user timing to app

Based on this blog (!!!), we should be able to view more detail about our application performance in webpagetest.org if used mark from the user timing API.

http://blog.patrickmeenan.com/2013/07/measuring-performance-of-user-experience.html