Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]
Smashing Magazine
JANUARY 7, 2019
Study common complaints coming into customer service and see how improving performance can help relieve some of these common problems. Run performance experiments and measure outcomes — both on mobile and on desktop. You can then mimic the 90th percentile’s experience for testing. 150ms RTT, 1.5 Mbps down, 0.7
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