Most matches go nowhere and that is normal rather than a failure — it sounds obvious written down, but it took a while to land. Is the silver seniors dating site the same as SilverSingles?
For what it is worth, a site with no visible moderation is not worth the time — your mileage may well differ.
From what I have seen, a month is about the minimum before judging any platform — that is the bit I would tell anyone signing up today.