Other sites depend on advertising for their revenue.
Some sites such as Ok Cupid.com, and are free and offer additional paid services in a freemium revenue model.
Our singles community is massive, and you're only a couple of clicks away from finding a date.
Online dating or Internet dating is a personal introductory system where individuals can find and contact each other over the Internet to arrange a date, usually with the objective of developing a personal, romantic, or sexual relationship.
Especially popular in Eastern Europe, some sites offer full access to messaging and profiles, but provide additional services for pay, such as bumping profiles up to the top of the list, removing advertisements, making paying users' profiles appear several times in different places in the search results, and giving paying users a more advanced search engine to work with (in one example, free users may only search for persons of specified age, gender, orientation, and city, while subscribers may search for any and all parameters listed in profiles, such as height, weight, interests, etc.).