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Instead, members take a personality test upon signing up with the service, and their answers are entered into a matching algorithm to calculate compatibility with potential partners.

But popular as such sites may be, finding your ideal match online can take a lot of time, as traditional dating sites force users to read dozens or even hundreds of profiles.So some sites are helping people narrow the field by using an algorithm – a set of logical instructions for solving a problem – to find love online.These algorithms take personal information, such as your interests, and push the data through a computer to calculate a couple’s degree of compatibility (or lack of).Services like Gene Partner offer DNA tests to check for genetic compatibility, while Ok Cupid’s matching algorithm is powered by a user-generated personality test.Extending this work, Gene Partner researchers discovered that certain combinations of MHC genes are better for immunity than others, and the company has since included this consideration in its matching algorithm.

Brown believes that this DNA dating adds an additional filter – along with profiles and photos – for finding a compatible mate online. “A filter for chemistry is something people do naturally,” she says.

By cross-referencing the responses from these two questionnaires, Warren worked out which characteristics two people would need to have in common, in order for them to be compatible.

Applied to single people, this became e Harmony’s first matching algorithm.

These are genes which produce proteins that sit on the surface of cells so that the immune system can identify foreign invaders.

These results can then be used either to check compatibility with your current partner, or to help you find a suitable mate by taking the data to one of several dating services (both on and offline) that offer a ‘DNA dating’ service.

His researchers came to the conclusion that a person’s key character traits and values are the factors that best predict future relationship success.