Site blocked on Vanadium only - how?

BadRobot

New GOS phone, so no mods
Test: duolingo.com
Vanadium: blocked. Your browser not supported.
DuckDuckGo: not blocked.

On Vanadium:

enabled 3rd-party cookies. Still blocked.

DDG:

Confused; IIUC, this uses Vanadium's webview. Why should the experience be different?

de0u

BadRobot I think I've read that Duolingo requires JavaScript JIT to be enabled, which is disabled for sites by default in Vanadium.

Dumdum

BadRobot
You can do what @de0u says by tapping the two lines to the left of duolingo.com in the address bar, and enabling JavaScript under Permissions.