Velocity 2013 Day 2 Liveblog: mobile performance and engagement

Guilin Chen from Facebook is the presenter…

UX is important and mobile users are less tolerant than desktop developers.

What does performance mean for the Facebook study
– page load times
– scroll performance (how smooth)
– prefetch delay (infinite scrolling)

– page load times showed a strong correlation between slowness and user drop off.
– consistent scrolling experience matters more; slower scrolling is better than jittery scrolling.
– prefetch delay studies weren’t as conclusive and thus, didn’t matter as much..

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Filed under Conferences, DevOps

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