Most dating sites have become extremely good about policing their members for negative or unsafe behavior.

There are several sites that offer additional levels of security including background checks and photo verification.

First Met, formerly known as AYI, is an online dating service that can be accessed through a mobile or Facebook app and on the web.

The app is available in over 80 countries and has over 27 million searchable members.

is one of the biggest dating services in the world.

Some mobile apps will match you with people based on criteria, including age, gender, and geographic proximity.

More traditional sites may offer anything from a simple search to a highly specific advanced search.

Since 2012, Tinder has been matching singles based on their social profiles and geographic location. Both users must “swipe right” before being matched and are then able to chat within the app.

Bumble is a dating app that only allows women to initiate contact in opposite-sex connections; in same-sex connections either party may initiate contact. POF.com, also known as Plenty Of Fish, is an online dating site headquartered in Vancouver.

Some of these sites include Match.com, OKCupid and

Focusing on a narrow pool of candidates, these online dating sites help match people up with someone of a similar religion, profession, or sexual orientation.

View Profile Harvard Business School graduate, Mark Brooks, has been an expert in the Internet dating business since 1998.

He is currently the CEO of Courtland Brooks, a consultancy agency for the Internet dating industry, and runs Online Personals

Some more seriously minded sites request that members fill out elaborate compatibility questionnaires.