One of the important elements of the Wikipedia article is the so-called “infobox” which shows the most important facts about the subject. Data from infoboxes are also used in other knowledge bases (e.q. DBpedia). Evaluation of the quality of these infoboxes is devoted to separate studies. Tool for quality assessment and comparison of Wikipedia infoboxes between different languages that uses basic measures is available on the Infoboxes.net.
There is also possibility to assess the quality and popularity of the Wikipedia infoboxes from current window tab. Special browser extension helps to compare quality of infoboxes in Multilingual Wikipedia. The best language versions can help to improve the articles quality in less developed Wikipedia language editions and also enrich other popular open knowledge databases.
Browser extension is available on Chrome Web Store.