Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]
Smashing Magazine
JANUARY 6, 2020
Geekbench CPU performance benchmarks for the highest selling smartphones globally in 2019. In practice, it turns out we should prefer defer to async (at a cost to users of Internet Explorer up to and including version 9, because you’re likely to break scripts for them). Browser support? WebKit status is currently supported in preview.
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