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Network Tab in Mozilla Firefox Browser

The Network Tab in Firefox provides information regarding various requests for the web page. The various types of information it provides are the request’s header, cookies, response, etc. You can also filter the requests or set network throttling.

Benefits of the Network Tab:

How to open the Network Tab in Firefox?

The Network Tab is present in the DevTools of Firefox. To open it, you can use the shortcut “Ctrl+Shift+E” or right-click the page and select Inspect to open DevTools, and then navigate to the Network Tab.

Opening the Network Tab in Firefox

About the UI of Network Tab:

The tab provides various columns of the request, such as status, method, domain, file, etc. Above the tab, you will find various options to filter the request, disable caching, network throttling, etc. 



1. Various Options:

The various option in the Tab are:

Various options in the Network Tab

2. Request Details:

If you click a request in the logs, you get a sidebar with various panes with different details about the request. The various panes in the sidebar are: 

Request Details Sidebar

3. Additional Information:

At the bottom of the tab, you get a performance analysis option and various information, such as the number of requests, the size or transferred size of all requests, the total time needed to load all the requests, the time when the DOMContentLoaded event occurred, and the time when the load event occurred.

The performance analysis button, which looks like a stopwatch, is present in the bottom-left corner of the Network tab. It provides a pie chart and table for displaying request information when the browser cache is primed and when the browser cache is empty.

Addition Information at the bottom of the Network Tab

Showing usage of the Network Tab:

Let’s visit the GFG site and inspect various requests made by the web page.

Showing usage of the Network Tab

Conclusion:

To inspect and debug the various requests made by the web page, Firefox provides a very important tool, the Network Tool, for developers to check and simulate various network-related activities. The tool can be used to get request-related information and timing, which can be used to improve the performance and loading time of the web page.

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