Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]
Smashing Magazine
JANUARY 6, 2020
Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. Designed for the modern web, it responds to actual congestion, rather than packet loss like TCP does, it is significantly faster , with higher throughput and lower latency — and the algorithm works differently.
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