Although it depends on the niche to which the website belongs, websites that offer their members services that allow them to go on adult dating online offer cater to two kinds of people.  These people who engage in adult dating online are either seriously seeking someone to marry, or are just using the website as a source of casual encounters, mostly sexual in nature.

Because marriage and sex are very important, if not life-changing events, for the person engaging in adult dating online, these people are usually not hesitant to subscribe to websites that charge a fee in exchange for their services.  Websites that require payment for their adult dating online services are believed to be more scrupulous in screening their members.  They also often ask for more detailed profiles.  These websites also take the time and effort to get in touch with their members to confirm if the information they have submitted are genuine and are not gross misrepresentations.  This gives the members the feeling of assurance and safety that the people they will be meeting through the  adult dating online services they are subscribed to are what they say they are.

Even amidst the anonymity offered in adult dating online, it is still highly unlikely that people who subscribe to it will marry strangers.  Even if these people are doing their adult dating online, they will still want to be with people they can trust.  Marriage, after all, is not just a union of hearts and bodies, but is also a union that carries with it so many legal implications.

Even if the person subscribing to websites offering adult dating online is only there to form casual sexual relationships, not necessarily marriage, a semblance of trust is still important.  After all, one never knows if the casual partner he or she found while engaging in adult dating online is abusive, or is afflicted with a sexually transmitted disease.