Online dating participants, in contrast, only find a compatible match with 1 in 100 or fewer of the profiles they study.
As reported by the BBC in the Science of Love, it only takes between 90 seconds to 4 minutes of face-to-face interaction to determine attraction, which gives speed dating an advantage over online dating.
Requirement for each event vary with the organizer.
Specific age range based on gender is a common restriction for events.
Many speed dating events are targeted at particular communities: for example, LGBT people, polyamorists, Some feel that speed dating has some obvious advantages over most other venues for meeting people, such as bars, discotheques, etc.