Most browser Developer Tools have a "Network" tab that allows you to capture network activity between the browser and the server. Microsoft Edge (Chromium) Open the DevTools. Select F12; Select Ctrl+Shift+I (Windows/Linux) or Command+Option+I (macOS) Select Settings and more and then More Tools > Developer Tools; Select the Network TabHow to create a network trace in Google Chrome?
Google Chrome. 1 Open the Chrome DevTools. 1.1 Select F12. 1.2 Select Ctrl + Shift + I (Windows/Linux) or Command + Option + I (macOS) 1.3 Select Customize and control Google Chrome and then More Tools > Developer Tools.How can I Make my browser keep a trace?
Press F12 or select > Web Developer > Toggle Tools. By default, the browser keeps trace information only for the page that's currently loaded. Set the following options so the browser keeps all trace information, even if your repro requires going to more than one page: Select the Network tab, then select Persist Logs.How to collect a network trace in Mozilla Firefox?
Mozilla Firefox 1 Open the Firefox Developer Tools Select F12 Select Ctrl + Shift + I (Windows/Linux) or Command + Option + I (macOS) Select Open menu and then Web Developer > Toggle ... 2 Select the Network Tab 3 Refresh the page (if needed) and reproduce the problem 4 Right-click anywhere in the list of requests and choose "Save All As HAR"