In the tab where you need it, open Chrome DevTools with F12, open settings with F1, scroll down to the "Global" section and check "Auto-open DevTools for popups".
When you follow a link with target=_blank within that tab, DevTools will be open and you can inspect e.g. request headers.
Posted by Dominik Schöler to makandra dev (2020-12-01 15:40)