> could I come up with a simple HTML page that would be illegal in the UK without age verification checks? Put up a page saying you support "Palestine Action".

> could I come up with a simple HTML page that would be illegal in the UK without age verification checks? Put up a page saying you support "Palestine Action". Given that group is (currently) a proscribed "terrorist organisation" (and therefore illegal to support, obvs.), your page would definitely be illegal in the UK. (Although I suppose there's the light risk that MI6 might decided to rendition you with $LOCALCOUNTRY's assistance if they're feeling exuberant.)