The website allows users to create personal profiles which indicate their personal preferences. Users can also upload photos both publicly and privately, and make instant messaging connections which allow them to chat with other users in real time. The website has an excellent advanced search engine which allows you to find matches based on more specific nuances than the regular search function.
eharmony is all about marriage and features a 29-dimension matching system — the registration process there takes longer and goes a bit deeper, but there's a reason eharmony has lead to some 4% of marriages in the US. This isn't to say that Match isn't serious, because it is — it just gives a little more leeway when it comes to people's intentions.
Zoosk Coins: You can also earn or buy Zoosk "Coins", which unlock your matches, allow you to send virtual gifts, boost your profile, and allow you to get delivery confirmations on emails, among other features. Coins cost $19.95 for 180, up to $99.95 for 1800 coins. Coins can be earned by using or signing up to various third-party apps, surveys, services and websites.