eHarmony, with over 20 million registered online users, is the first service within the online dating industry to use a scientific approach to matching highly compatible singles. eHarmony's matching is based on using its 29 DIMENSIONS® model to match couples based on features of compatibility found in thousands of successful relationships. The eHarmony Compatibility Matching System® matches single women and men based on 29 Dimensions® of Compatibility for lasting and fulfilling relationships.

eHarmony creates the happiest, most passionate and most fulfilling relationships according to a recent study. Those relationships have proven to be better not only than those from other online dating sites but also from any other way people meet out in the world.