One UK survey found one in three people meet this way.
The first dating site was Match.com, launched in 1995, and nowadays there are over 8,000 sites worldwide, 750 in Portugal and 1,400 in the UK, with nine million Britons as members generating £170million for the UK economy.
To be successful, members should upload flattering photographs and honesty should be paramount.
For men, do not say you are 1m80 and when you meet your date, she towers over your real height of 1m50!
But, maybe the less attractive individual is actually the loving and attentive person you want, whilst the more attractive one you contacted turns out to be arrogant and disloyal.