If you're looking for UK casino sites with high-RTP slot libraries, it's...

https://thebrandhopper.com/learning-resources/what-uk-casino-sites-specialise-in-high-return-slot-collections/

If you're looking for UK casino sites with high-RTP slot libraries, it's important to know what RTP really means. This number shows the expected return to players over time, based on many spins