Question

first social networking site

Answer 1

Six Degrees was launched in 1997 and was the first modern social network. It allowed users to create a profile and to become friends with other users. While the site is no longer functional, at one time it was actually quite popular and had around a million members at its peak.

Answer 2

https://www.webdesignerdepot.com/2009/10/the-history-and-evolution-of-social-media/