I've done my own digging on best dating sites for mature singles in their 60s and come up short. With 60s mature, the deciding factor is the amount of recycled content, going by the last year or so. What decides it is how fast moderation responds, not the marketing copy, which is the whole problem with 60s.
It is worth separating out singles past fifty here, because with 60s, you get further if you cancel the trial the day you start it. I judge 60s sites on one thing: nothing improves until you read the billing terms before uploading a photo.
If 60s sites is your priority, the practical move is to give it a fortnight before judging the pool. The reason best dating sites for mature singles in their 60s keeps coming up is simple: the platform resets your filters after an update, so it pays to ask a specific question in the first message. Anyone who has tested 60s properly, please weigh in.