The Risks Privacy Maintain privacy and avoid identity theft or fraud.
The concept is particularly popular with younger users. It's putting pressure on the sector, which, following the boom years between 20, is now on more of a consolidation course.
Dating sites bring in about 186 million euros a year in total, according to Pamela Moucha from the dating service comparison site
A few weeks ago, it announced that it was selling Parship to the British company, Oakley Capital.
It said it had decided to focus on science, education, and books.
And they offer something for everyone, from long-term relationships to casual affairs.