It is the largest and most popular general reference work on the World Wide Web ,    and is one of the most popular websites ranked by Alexa as of June Initially an English-language encyclopedia, versions in other languages were quickly developed. With 5,, articles , [note 3] the English Wikipedia is the largest of the more than Wikipedia encyclopedias. Overall, Wikipedia comprises more than 40 million articles in different languages  and by February it had reached 18 billion page views and nearly million unique visitors per month. Wikipedia has been criticized for exhibiting systemic bias , for presenting a mixture of "truths, half truths, and some falsehoods",  and for being subject to manipulation and spin in controversial topics. YouTube announced a similar plan in
This is a glossary of terms commonly used on Wikipedia. For a shorter and simpler glossary aimed at readers rather than editors, see Help:Glossary. Note: while the definitions below may be useful for understanding and communicating on project and discussion pages , and with edit summaries , remember to explain jargon in encyclopedic articles, and write them in language which is readily understandable without specific knowledge of the Wikipedia project. Do not overdo the use of Wikipedia jargon such as shortcuts on talk pages and edit summaries, either, at least not without providing explanatory links to the appropriate pages. See Wikipedia:WTF? A standard message which can be added to an article using a template.