Open browser and open a new tab. Click Open menu, Web Developer, Network.
Then click Network Settings, Persist Logs. Also check Disable Cache. Then
browse to the page you want to capture. Once you are ready, click Pause, then
click Network Settings, Save All As HAR. Rename file to JSON.
How to add a new site?
--proxy 127.0.0.1:8080 --no-check-certificate
try navigating to the target page from home screen, instead of going directly
to page