That browser checking nonsense is soooooo 1990s... vote with your mouse and don't go there. DON'T install the Firefox user agent spoofer - be proud that you're using Firefox and make it appear in their webserver access log and make them change...
itchypaws
Paul Clarke's weblog - I live in Hythe in the far South. Wed + dad to 2, I am a full stack web engineer, + I do js / nodejs, some ruby, other languages etc. I like pubbing, parkrun, eating, home automation + other diy jiggery-pokery, history, genealogy, TV, squirrels, pirates, lego, and TIME TRAVEL.