Time to First Byte: What It Is and Why It Matters
CSS Wizardry
AUGUST 7, 2019
However, one metric I feel that front-end developers overlook all too quickly is Time to First Byte (TTFB). The first—and often most surprising for people to learn—thing that I want to draw your attention to is that TTFB counts one whole round trip of latency. can all provide valuable insights. But what else is TTFB?
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