Plenty of Fish is available to those who live in the United States, Canada, UK, Australia, France, Germany, Ireland, New Zealand and Spain.
That makes it one of the dating sites for professionals over 40 to meet someone special.
Around one in four relationships start online now, and among the millennial generation, the number is likely to be even higher.
But as our smartphones become increasingly powerful, fewer of us are dating from behind our desktops, rather turning to the digital devices in our pockets.
With more than 11 million members, Plenty of Fish is the largest free dating site online.
You have a choice of “looking for” activities partners, friends, casual dating, long-term dating marriage or pen-pal.