I've done my own digging on best free dating sites in the world without payment and come up short. Every time world international comes up, how well it works on a weak connection is the number worth watching, not the marketing copy. World is the clearest case of it — most of the disappointment traces back to the proportion of dormant accounts.
Applied to world, how quickly the inbox fills explains more than whatever the landing page promises, from what I've seen. If world sites is your priority, it is worth checking the quality of the filters before you look at raw member count.
The international sites case is instructive — half the frustration disappears once you treat an empty bio as a red flag. Anyone weighing up best free dating sites in the world without payment should know that the deciding factor is the ratio of matches to conversations, for what it is worth. What am I missing on world?