How to use Server Timing to get backend transparency from your CDN
Speed Curve
FEBRUARY 5, 2024
However, that pesky 20% on the back end can have a big impact on downstream metrics like First Contentful Paint (FCP), Largest Contentful Paint (LCP), and any other 'loading' metric you can think of. Latency – How much time does it take to deliver a packet from A to B. Also measured by round trip time (RTT).
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