Usually means: Time to first byte measurement.
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We found 4 dictionaries that define the word ttfb:

General (2 matching dictionaries)
  1. TTFB: Wiktionary
  2. TTFB: Dictionary.com

Miscellaneous (1 matching dictionary)
  1. TTFB: Acronym Finder

Slang (1 matching dictionary)
  1. ttfb: Urban Dictionary

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Definitions from Wiktionary (TTFB)

▸ noun:  (Internet) Initialism of time to first byte: the time that elapses between the client making an HTTP request and receiving the first byte of the response.

Similar:
HTTP, TCP/IP, IFTTT, MSIE, HTTP/2, IPv4, NNTP, IIOP, SAPI, ISAPI, more...

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Similar:
HTTP, TCP/IP, IFTTT, MSIE, HTTP/2, IPv4, NNTP, IIOP, SAPI, ISAPI, more...



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