Incorrect crossdomain error
When using JWPlayer for the HLS stream that does not exist (e.g. has typo in it), the user get this error:
"Cannot load M3U8: crossdomain access denied."
Running tools like curl shows that the streams is simply unavailable while the player text error says something else.
I use JWPlayer stream tester
to play streams like
So if the URL is specified incorrectly, a user cannot find out the root cause unless he tries some other tool.
My suggestion is to make this error message (crossdomain etc.) to be more informative.