Marxists Internet Archive is a non-profit website that hosts a multilingual library of the works of Marxist, communist, socialist, and anarchist writers, such as Karl Marx, Friedrich Engels, Vladimir Lenin, Leon Trotsky, Rosa Luxemburg, Che Guevara, Mikhail Bakunin, and Pierre-Joseph Proudhon, as well as that of writers of related ideologies, and even unrelated ones. The collection is maintained by volunteers, and is based on a collection of documents that were distributed by email and newsgroups, later collected into a single gopher site in 1993. It contains over 180,000 documents from over 850 authors in 80 languages. More information...
In June 2020 the website marxists.org was on the 452nd place in the ranking of the most reliable and popular sources in multilingual Wikipedia from readers' point of view (PR-score). If we consider only frequency of appearance of this source in references of Wikipedia articles (F-score), this website was on the 1,015th place in June 2020. From Wikipedians' point of view, "marxists.org" is the 710th most reliable source in different language versions of Wikipedia (AR-score).
The website is placed before istat.it and after nouvelobs.com in multilingual PR ranking of the most reliable sources in Wikipedia.
Popularity and reliability assessment of sources in references of Wikipedia in different languages. Data extraction based on complex method using Wikimedia dumps in July 2020. To find the most popular and reliable sources we used information about over 200 million references of Wikipedia articles. More details in the research "Modeling Popularity and Reliability of Sources in Multilingual Wikipedia". Values for PR-score and AR-score were additinaly increased 100 times (to distinguish smaller values in the ranking).