I always find it best to run with a good mix of casinos on different platforms (Playtech, Microgaming etc) to cover your bases and maximise conversion. My general feeling is that Playtech convert better but Microgaming retain better- I just think their customer retention programs are slicker and not so hard sell.
In terms of programs that are tough to convert, I always struggle with Casino Rewards, but the bottom line is that you need to test your own traffic with a decent spread of programs. Don´t bother with the real rogues, but if they are acredited I would always give them a go……you never know until you physically test them out with enough traffic to make a statistically reliable test…
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