But the GOV.UK pages are written in simple HTML. They are designed to be lightweight and will work even on rubbish browsers. They have to. This is for everyone.
Not everyone has a big monitor, or a multi-core CPU burning through the teraflops, or a broadband connection.
Go sit in an uncomfortable chair, in an uncomfortable location, and stare at an uncomfortably small screen with an uncomfortably outdated web browser. How easy is it to use the websites you've created? (via @adactio)