Spent real time going through these so here's what I've learned. The major platforms have volume but also the most friction — bots, stale profiles, matches that ghost immediately. Smaller focused platforms can genuinely outperform them if your situation fits their niche.
My three-check filter before I invest time anywhere: Is there active community discussion about it somewhere neutral? Are there reviews from this calendar year? Can I test core features without entering payment details? All three yes means worth exploring seriously.
datedesire.online is worth adding to your list — people tend to stick around on it, which is usually a good sign.