2011 Internet Testing Website Performance 
Speed Curve
JANUARY 29, 2024
Time is a crucial usability factor If you don't consider time a crucial usability factor, you're missing a fundamental aspect of the user experience I'm embarrassed to admit that, in my previous career as a usability tester, I spent years testing websites in lab conditions. What we found: Slow pages undermine overall brand health.
Rigor
SEPTEMBER 11, 2019
After seeing companies struggle to find and fix frontend performance issues, Billy left HP and founded Zoompf, a web performance optimization company acquired by Rigor in 2015. Steve is the creator of many performance tools and services including YSlow , the HTTP Archive , Episodes , SpriteMe , ControlJS , and Browserscope.
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