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Can I prevent the Firefox developer tools network panel from clearing on page reload?

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How do I preserve Network logs in Firefox?

Click the Network tab. To the middle right of the console, select the Persist Logs check box. To clear the network tab, click . Leave the network tab open, and reproduce the issue.

How do I disable developer tools in Firefox?

You can't remove them, because they are integrated into Firefox. Though various tools have a corresponding preference in about:config to enable/disable them. Just search for devtools.

How do I stop a Firefox request?

Hover over the item you want to block in the Request List. Select Block URL from the context menu.

How do I see POST requests in Firefox?

With Firefox you can use the Network tab (Ctrl+Shift+E or Command+Option+E). The sub-tab "Params" shows the submitted form data. Alternatively, in the console (Ctrl+Shift+K or Command+Option+K) right click on the big pane and check "Log Request and Response Bodies".


From Firefox 31 onwards you can use the "Enable persistent logs" setting to prevent the Network Monitor from clearing the list on reload.


Despite knowing the name for the setting is "Enable persistent logs", it took me a while to find it on the settings page. I hope this helps:

Location of "Enable persistent logs" setting in Firefox


I couldn't find this setting in Firefox 57. The setting has been moved to the network tab itself, above the log table

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Roughly three years after BeetleJuice's update, it seems to have moved again - now, you need to click the gear icon on the far right side for the option to appear. Hooray for our ever-changing user interface soup.

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If "Enable persistent Log" settings is not available in the devtool settings, you can go to about:config(type this in the URL box and enter) page and search for persistlog and change it from there(toggle button on the right).

I can see two options and enabled both. :)

devtools.netmonitor.persistlog, devtools.webconsole.persistlog