web-performancewebpagetest
WebPageTest :: How can Start Render be after the load event?
What can cause the start render to be delayed even after the load event has fired?
Look at this webpagetest result
Solution
This is most probably a bug. For the moment, the iPhone instance on WebPageTest is quite recent and the author is still improving it:
The iOS support is just becoming stable though it's still under VERY active development so don't be surprised if there are a few rough edges (and a lot more limitations than the android testing). - Patrick Meenan, 09-09-2015
The android tests are much more reliable.
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