Time to First Byte: What It Is and Why It Matters
CSS Wizardry
AUGUST 7, 2019
Armed with this knowledge, we can soon understand why TTFB can often increase so dramatically on mobile. Surely, you’ve wondered before, the server has no idea that I’m on a mobile device—how can it be increasing its TTFB?! The reason is because mobile networks are, as a rule, high latency connections.
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