I doubt anyone will reproduce 1.43s locally for DomContentLoaded, I do get ~250 ms on my side in Chromium's dev tools' Network pane with cache disabled -- no me

I doubt anyone will reproduce 1.43s locally for DomContentLoaded, I do get ~250 ms on my side in Chromium's dev tools' Network pane with cache disabled -- no meaningful difference than without uBO. I think such discrepancy should be investigated to identify why this happens.