Robert Castley, Lead Solutions Consultant of Keynote Systems: Velocity EU Conference 2013

on YouTube ↗09m

" summary

Advice on where to start with performance testing for a $20–50M site focusing on revenue channels and testing the desktop tablet smartphone trio. Shows a car site that serves desktop pages to some phones, explains cloud-hosted real devices and emulator testing across carriers and geographies, and names common failures: unoptimized images and gravatar bloat, redundant JS/CSS, and missing lazy load so use load on scroll and tag management to shrink pages.

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