It is consistently one of the 10 most popular websites ranked by Similarweb and formerly Alexa as of 2022, Wikipedia was ranked the 5th most popular site in the world. Wikipedia is the largest and most-read reference work in history. Wikipedia is a multilingual free online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and using a wiki-based editing system called MediaWiki.
Most text is also dual-licensed under GFDL media licensing varies