https://sci-hub.se/https://doi.org/10.5964/ijpr.v3isupp2.78

Marriages resulting from the online matchmaking service were observed to have significantly higher scores for marital adjustment. We conclude that online matchmaking services based on predictive inference and proscribed selection can be observed to have a significant and meaningful impact on marital quality

https://www.pnas.org/doi/abs/10.1073/pnas.1222447110

marriages that began on-line, when compared with those that began through traditional off-line venues, were slightly less likely to result in a marital break-up (separation or divorce) and were associated with slightly higher marital satisfaction among those respondents who remained married.