Top over 40 dating sites
Members set up a profile, upload photos and can then search through profiles to find a good match. It uses a compatibility matching system to link up people with complementary personalities and lifestyles and has worked with millions of users over the past 15 years.
It launched in 1995 and is now available in 24 different countries.
More traditional sites may offer anything from a simple search to a highly specific advanced search.
Some more seriously minded sites request that members fill out elaborate compatibility questionnaires.
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 free platform allows users to connect with new people based on mutual friends and interests.
It works with special algorithms that match users with potential dates.