So how does one go about measuring the time it takes to load there website? Furthermore, how do we determine which files are taking the most time to load? The answer is the FireBug Net Panel.
To use the Net (short for Network Monitoring) tools you must go to the “Net” tab in Firebug and active them.
FireBug will provide you with monitoring on the following:
- XMLHttpRequest/AJAX monitoring
- Examine HTTP Headers
- Whether a file has been cached or not cached
- Watch the timeline unfold