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What does TTFB stand for?

TTFB stands for Time to First Byte

This definition appears frequently and is found in the following Acronym Finder categories:

  • Information technology (IT) and computers

Samples in periodicals archive:

NET Framework, IIS CPU throttling, Application Initialization which can improve time to first byte, Dynamic IP Restrictions to help prevent DoS attacks and FTP Logon attempt restriction to help prevent brute force attacks, as well as WebSocket Protocol for real-time client/server communications.
Some architectural issues remain facing traditional tape storage and include: 1) the time to first byte of data (milliseconds for disk and seconds for tape); 2) tape supports sequential access only (disk supports random and sequential access); and 3) the recovery time for data is longer for tape than for mirrored or replicated disk (minutes or hours on tape compared to seconds normally for mirrored disk).