The answer
Use CDNs, caching, smaller responses, and ensure the backend responds quickly for the critical path.
What Is Time to First Byte and Why It Matters
How can frontend teams reduce TTFB impact?
More FAQs in What Is Time to First Byte and Why It Matters
TTFB is the time from the request being sent until the browser receives the first byte of the response.
No. It mainly reflects network and server processing time before the browser starts receiving the response body.
Because the browser cannot start rendering useful content until it receives the response, so the page feels blank or stuck.
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