Potential matches will be recommended based on dating preferences, things in common and mutual friends, Facebook said in a statement.
The prototype was built around local, in-person events, allowing people to browse other attendees and send them messages.
“There are 200 million people on Facebook that list themselves as single, so clearly there’s something to do here,” Zuckerberg told software developers at Facebook’s annual F8 conference.
Facebook shares rose 1.1 percent to close at 3.86 on the news, which sparked a sell-off of established online dating service providers.
Facebook said in January that at the end of 2017 time spent by users had fallen by about 50 million hours a day, after changes designed to reduce passive video watching and stem the spread of sensationalism.IAC, Match Group’s parent company, dropped more than 17 percent.Sparks Networks, owner of JDate and Christian Mingle, fell 7.3 percent before recovering and closing up 0.8 percent.A prototype displayed on screens at the F8 conference showed a heart shape at the top-right corner of the Facebook app.Pressing on it will take people to their dating profile if they have set one up.