Enjoy reading our tips and recommendations. Mature adults and couples are getting more sexually adventurous and meeting others for casual relationships across the nation and around the world. This, combined with highly trained scammer prevention teams, has made online dating safer than it has ever been. Forty-eight percent said Match, a paid site, but PlentyOfFish free and eHarmony paid tied for second most popular, with 23 percent apiece. The majority of the profiles had a good amount of information.