The Pew Research Center has surveyed Americans on their tech knowledge to celebrate 25 years of the World Wide Web. The results are bafflingly mixed: 69 percent correctly identified URL as standing for Uniform Resource Locator (albeit as a multiple choice answer) but only 23 percent knew that the web and the Internet are not one and the same. Indeed the question still stumped at least 70 percent in every age demographic and every grouping by educational background.

Here’s the full list of the public’s scores. How would you have got on?