BestRef is a Chrome extension developed by TheDataQuality that aims to assess the popularity and reliability of sources in Wikipedia references across different languages. This free extension provides users with the ability to instantly evaluate the references within Wikipedia articles or access a separate page with a detailed reliability report on a selected article. With just a click on the BestRef button in Chrome, users can assess the source even when they are on a different URL address.

The reliability assessment of sources is based on extensive research that analyzed over 200 million references from Wikipedia articles. This ensures that users can make informed judgments about the credibility and trustworthiness of the sources cited in Wikipedia. BestRef is a valuable tool for anyone who wants to verify the reliability of references and ensure the accuracy of information.