For a novice who knows nothing about trading its great. A vast amount of information.
However they have next to no documentation, or instructions, so if you are new be prepared to flounder around. Or wait days to get back from support if ever.
This has become more chronic as they become bigger they are losing control of simplicity.

There are newcomers hitting the internet that do the same. And some are cheaper. If Finviz wants to be competitive they need to get a grip on this out of control system.