Time to First Byte: What It Is and Why It Matters

Harry Roberts has done an extensive write-up on Time To First Byte (TTFB), an often overlooked metric when it comes to measuring the performance of websites.

While a good TTFB doesn’t necessarily mean you will have a fast website, a bad TTFB almost certainly guarantees a slow one.

To see what happens during your TTFB, you can leverage the Server Timing API.

Time to First Byte: What It Is and Why It Matters →

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