My run with the sites in question lasted longer than any of the alternatives I tried.
Before you commit to the sites in question, test it on a weekday evening, not a Sunday morning.
Worth doing early on the sites in question: test it on a weekday evening, not a Sunday morning.
Before you commit to the sites in question, keep chatting on-platform until you are comfortable.
With the sites in question it came down to how much personal data the signup demanded, honestly.
Be aware when using the sites in question that moving to an external messaging app early is a common scam setup.
What mattered most with the sites in question in the end was how many people within reach were active that week.
Curious whether anyone else found the same with harmony dating website just a clone of eHarmony.