Date published: June 1, 2016"Studying a million websites is hard. To do it, Arvind Narayanan – who heads the Web Transparency and Accountability Project at Princeton University – built a tool called OpenWPM with graduate student Steven Englehardt. OpenWPM can visit and log in to websites automatically, taking more than a dozen measurements of each one. It took two weeks to crawl through the top million websites, as ranked by web traffic firm Alexa.New Scientist
