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Investigate up/downs in start render and speedIndex for Firefox
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Description

Something somehow was introduced the 16th of December: Firefox started to have a big diff between runs for both start render and SpeedIndex.


Lets find one "fast" and one "slow" run and compare them.

Related Objects

Event Timeline

The difference is that four requests happens later:

That keep happens on and off and makes the graph going up and down.

Krinkle triaged this task as Medium priority.Jan 19 2017, 9:54 PM
Krinkle moved this task from Inbox to Backlog: Maintenance on the Performance-Team board.

We should just hope a proxy will help us.

Imarlier added a subscriber: Imarlier.

Now that Mozilla has released 57, we should open a new task to connect with them and get their help with debugging of issues (either by taking on that work themselves, or by educating us on how to do it).