Time To First Byte

Last Updated:

September 9, 2021

What is Time To First Byte? How Does This Data Point Affect the Overall QoE Picture? Is This Value Important By Itself or Is It Part of A Bigger Picture?

Time To First Byte Definition

This fluxdata value indicates the number of microseconds between receiving the request and writing the first byte of the response.

Time To First Byte Data Element Details

  • Data Type:

  • Field Type:

  • Mesage Node:

  • Node Location:

  • Version:


What Does Time To First Byte Tell You?

This value tells you how long it took for the server to respond to the client with the first byte of data.

What To Keep In Mind About This Value

This value is measured on the server.

Applicable To

This term is applicable to the following streaming video types:

  • Ad
  • Content
  • Live
  • VOD

Related Terms

There are no related terms.

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