The website might actually work fine on all of them, but just claim that it doesn't when it detects that you're
using certain browsers.
We don't test them on significance but it prevents us from analyzing broken tests that didn't work
in certain browsers or for certain segments of users.
@Andrew I've been doing CAPTCHA for quite awhile now and come across many that work just fine, others that didn't work so well
in certain browsers, and some you couldn't read or understand when you hit the listen button.
They mention that unless the plugins are built directly into a web browser, such as Google Chrome and Flash,
certain browsers might be obsolete.
Time Entries Widget Date Picker — We have identified and resolved a bug where the date picker found above the Time Entries widget could not be opened when using
a certain browser.