Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]
Smashing Magazine
JANUARY 6, 2020
Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. Alternatively, you can also use Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Now you have something measurable to test against.
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