TTFB has various meanings in the Load category. Discover the full forms, definitions, and usage contexts of TTFB in Load.
Time to first byte (TTFB) is a measurement used as an indication of the responsiveness of a webserver or other network resource. TTFB measures the duration from the user or client making an HTTP request to the first byte of the page being received by the client's browser.
LoadLast updated: