The house edge of the games is important if you have the information.
The age of the platform too, how long have they been in business?
Do they allow to invest in their bankroll?
These basic informations should really be mentioned and all sorts which would be preferable or shall we say one-stop read in all info towards the gambling site.
Which had been mentioned
-HE
-About license stuff
-Site existence
-KYC or not
-Wagering requirements
etc.
If people would able to read all in all then that signifies a good review site.