Gigya, a major provider of social login services for big-brand websites, tracks which of their social accounts users look to to sign them in to other websites. Not surprisingly, Facebook gets the biggest slice of the pie, according to Gigya data from the second quarter of this year. But Google+, as a relative newcomer in the space, has moved in hard, already earning a quarter of all social logins. And Yahoo remains solidly competitive, shedding some light on why the struggling company continues to tinker with its email service.

gigya, social sign-in, social login, facebook, yahoo, twitter, google+, google plus