You might want to know who is the largest dating services today. Since most of dating services are exaggerating their member's size. However, the Internet traffic won't lie. Most of Internet traffic data have the commercial value, which needs to pay to get it. The alternative way to find the online dating site's traffic is from the alexa.com to find the the traffic ranking. If the ranking is higher, then the database must be larger.

Dating Services	Alexa Ranking	Note
www.match.com	111	Match.com launched in 1995, has 8 million members in 2004. More than 89,000  members reported they found the match in 2003. It operates more than 30 online dating sites (28 international dating sites), in 18 local languages. Member's profiles are viewed more than 6 million times a day. It's the world抯 leading online dating site, according to the global ranking by Media Metrix in March 2004. Kiss.com and Udate.com are its sister sites.
personals.yahoo.com	1	Alexa ranking is for entire Yahoo site. Therefore it's ranked number 1. Yahoo! Personals has well over 9 million members with profiles. It has more than 10 sites, including the international sites. There was over 7.2 Million Unique Canadian visits to Yahoo! Personals in 2003.
love.aol.com	50	Alexa ranking is for entire AOL site. Now it's a partner of match.com
www.tickle.com	125	Tickle.com was Emode.com, which founded in 1999. Tickle launched the Tickle Social Network in October 2003. Tickle was acquired by Monster Worldwide in May 2004. The matchmaking, and social networking services have more than 18 million active members worldwide.
www.americansingles.com www.relationships.com	274	AmericanSingles.com has over 7 million members. According to comScore Media Metrix, about 5.3 million unique monthly visitors to 10 sister sites including Jdate.com and Glimpse.com.
www.lavalife.com	503	Lavalife markets its web and telephone products in over 60 markets across the United States, Canada and Australia. It has attracted over 6 million unique members. Its members exchange 1.3 million messages every day. Lavalife's revenues are in excess of $100 million in 2003 and growing.
Gay.com	1150	Gay.com has over 3.3 million profiles including PlanetOut.com in 2004 and is growing by thousands a day. They are 100% gay and lesbian dating service that has a worldwide reach and is in 7 different languages.
www.friendfinder.com	1261	FriendFinder.com was founded In 1996. It has over 9 million active members in 2004. It's under FriendFinder Network, which has 15 web communities, including Passion.com - 9 million AdultFriendFinder.com - 9 million AsiaFriendFinder.com - 5 million Alt.com - 2 Million Outpersonals.com - 2 million SeniorFriendFinder.com - 0.2 million
Passion.com	1437	Passion.com has over 9 million members and usually has over 50,000 members online at any one time. It's under FriendFinder Network.
www.eharmony.com	1592	eharmony.com has 4 million members in 2004 and 3,000 confirmed weddings since Year 2000. Members are over 228 Countries. Membership, which runs nearly $100 for three months or almost $250 for a year. eharmony.com's ad campaign cost the company more than $10 million in 2003.
www.face-pic.com	1844	Total member is 1.5 million in 2004.
www.udate.com	1990	More than 6,000 people join udate.com every day in 2004
www.date.com	2443	Date.com has more than two million male and female members worldwide who actively use the site. The site is adding new members at a rate of 250,000 per month.
www.imatchup.com	3635
www.singleme.com	3979
www.matchmaker.com	4747
OutPersonals.com	4837
www.webdate.com	4904
www.seniorfriendfinder.com	5161
www.dreammates.com	5345
personals.nerve.com	5437
www.megafriends.com	6162
www.loveaccess.com	7361
www.datecam.com	7528
www.cupidjunction.com	8159