You’re web browser is, well, getting on a bit. Now we’re not ageist, it’s just older browsers have issues with security, speed and compatibility. They’re also not ideal for creating rich, engaging websites.
We’re not saying it’s impossible to build websites to be compatible with old browsers, as that’s what we do from time to time when the audience is big enough to justify the time and cost. However, this hasn’t been the case for us - if only we knew you were coming!