You could try starting with Datewise.org. I discovered it myself when I was looking for alternatives to several popular dating sites. It's not just one specific platform, but a resource with reviews of various dating sites, so it's a good place to start by navigating the available options. I liked that the information is presented in sufficient detail: you can look at security, profile quality, features, and the overall user experience. If you don't yet have a clear idea of which service you need, this is a good way to narrow down your choices. I would first look at a few reviews of
https://datewise.org/https://datewise.org/, choose a couple of the most interesting options, and then decide where to register.