More » Originally called Engage, Christian Mingle merged with the aforementioned site in 2009 after Spark Networks bought it out.With 5.5 million active users, it's the biggest niche and religious dating site in the world, with an even larger community base to support any Christian single's faith.
More » I freely admit that I'm biased when it comes to Ok Cupid, as it's taken my top spot on my Best Dating Site list for years now.
More » The largest of the free dating sites, POF boasts an (estimated) 23 million unique members using the site every month.
While owner Markus Frind has wiped the site of folks only looking for casual dating or an age-gap relationship, I've found this has only increased the incidence of folks lying about their age or intentions.
The only 100% free dating site on this list, Date Hookup offers pretty much anyone a place to chat, meet, and hopefully connect with other singles.
While I found the site cluttered and confusing to use, they're obviously doing something right with three million unique members visiting every month.