They gave online dating sites the lowest satisfaction scores Consumer Reports has ever seen for services rendered—lower even than for tech-support providers, notoriously poor performers in our ratings. Well, finding a mate can be arduous and exhausting.

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But as we explored the possibility of taking on this investigation, we discovered that 20 percent of our subscribers are either divorced or have never married, and might benefit from what we found.

Our survey included many people who at some point had used a dating website or an app, as well as a subset of 9,600 respondents who used them in the past two years.

Results show that collaborative filtering recommenders significantly outperform global algorithms that are currently used by dating sites.

A blind experiment with real users also confirmed that users prefer CF based recommendations to global popularity recommendations.

“All kinds of people are doing it,” says Caploe, 54, a publisher who lives in New York City.

“It was—unbelievably—not a crazy experience.” Online dating has certainly lost its lonely-hearts stigma.But with dating, the sweater has to agree, too.”Another reason for the low satisfaction scores may be that “most dating sites have some misalignment between profit model and user experience because they are financed through subscription fees or advertising,” says Scott Kominers, Ph.D., a junior fellow in economics at Harvard University.So when Roberta Caploe was ready to start dating again after a divorce, she didn’t ask her friends to fix her up or feel the need to frequent bars or health clubs.She signed up for JDate, an online dating site for Jewish singles.“It’s a product of the growing normalcy of using social media apps,” says Moira Weigel, author of “Labor of Love: The Invention of Online Dating” (Farrar, Straus & Giroux, 2016).