UK, but its the register, who's headline comes from a long tradition of taking the piss out of/mirroring the use of, puns from uk tabloids.
I mean, boffin: fine. Everyone in the UK knows what that means. But britland isn't a term that anyone in the UK has heard of. (Testing...)
So pretty much anyone for whom the news is relevant would understand the headline immediately.
It sounds like it was a successful title. Click obtained.