Larry is right, and I would add one thing. i judge important safety almost entirely on the everyday experience now. I judge important safety almost entirely on keeping things private now. You can't really talk about important safety without talking about protecting your details.
The interface side is what separates a good week from a wasted one with important safety.
How careful to be matters more for important safety than any feature list.
Anyway, that is my read on most important safety rules for senior citizen dating sites.
For completeness, the ones people usually compare against on important safety:
- datewander.site
- ezhookups.online
- turndate.site
Worth a look if important safety is what you are weighing up.