If websites don’t work on Firefox even if the user agent was changed to Chrome I recommend you to use a privacy preserving browser like ungoogled chromium.
Easiest would be to install a plugin such as “User-Agent Switcher.” This is the string of text that identifies what browser, version, and platform you’re running to the server you’re accessing.
Try changing your user agent. What’s the error?
When I was choosing a return site it kept saying, “oops there was a mistake. It was not your fault. Try again later”.
Their mobile app sucked too, so I installed chrome to see if it would work and it did right away.
If websites don’t work on Firefox even if the user agent was changed to Chrome I recommend you to use a privacy preserving browser like ungoogled chromium.
How would I change the user agent? Never heard of this before, what is it?
Easiest would be to install a plugin such as “User-Agent Switcher.” This is the string of text that identifies what browser, version, and platform you’re running to the server you’re accessing.
This is the way I do it when necessary.
Or find another service.
Bit hard to do that with government websites and stuff like that.