[TIL] Firefox DevTools: request duration

TIL how to check the duration of a request (time from start of the request until the end of the respective response) in Firefox DevTools.

It can be specially helpful for performance analysis.

To display the Duration column in the network table toolbar, open up DevTools, select the Network tab, right-click the request table header (any column), and select Timings -> Duration:

Request Duration

Learn more about the Network request list.