Firebug net panel
Request Timeline
Every request-response round trip is shown as horizontal bar in the Timeline and is composed of several phases, represented by different colors. Hovering a Request Timeline offers more detailed information about the timings of the different phases.
| Value | Display | Description |
|---|---|---|
| Blocking | Time spent in a browser queue waiting for a network connection (formerly called Queueing) For SSL connections this includes the SSL Handshake and the OCSP validation step. | |
| DNS Lookup | DNS resolution time | |
| Connecting | Elapsed time required to create a TCP connection | |
| Sending | Sending request headers | |
| Waiting | Waiting for a response from the server | |
| Receiving | / (from cache) | Time required to read the entire response from the server (and/or time required to read from cache) |
| ‘DOMContentLoaded’ (event) | (blue line) | Point in time when DOMContentLoaded event was fired (since the beginning of the request, can be negative if the request has been started after the event) |
| ‘load’ (event) | (red line) | Point in time when the page load event was fired (since the beginning of the request, can be negative if the request has been started after the event) |
| ‘MozAfterPaint’ (event) | (green line) | Point in time when a MozAfterPaint event was fired (since the beginning of the request, can be negative if the request has been started after the event) |
| Time stamp | (olive line) | Time stamp created via console.timeStamp() |