Some sites are broad-based, with members coming from a variety of backgrounds looking for different types of relationships.
Ease of payment is also generally higher, with such sites accepting a variety of online currencies, letting users charge the payment to their cellular phones, etc.
Such sites earn revenue from a mix of advertising and sale of additional options.
However, market share was increasingly growing by several large commercial services, including Personals. Some online dating websites provide webcam chats between members.
As online dating's population becomes larger, sites with specific demographics are becoming more popular as a way to narrow the pool of potential matches.
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.).