This website is intended to help increase the awareness of users on how their Web browsing habits are being tracked by third-party sites for advertising purposes. These third-party sites are often not even visible to users on the pages they visit.

What they (the third-party sites) know about you will be shown in the results of running the script. The results will present you with a list of sites your browser has visited (we cannot access all sites in your browser's history, but only query for specific sites). For each site on this list we report which third-parties have knowledge of your visit to this site. We also predict your age and gender based on demographic information for users of these sites, as well as your location by using a script from www.find-ip-address.org

At the end of the results we ask for your feedback on what you have learned as well as seek information to understand if you are using tools to prevent third-party sites from learning about your browsing behavior. Thank you for deciding to participate!

Note: We DO NOT set any cookies, record your IP address or store any information that could identify you. All results are anonymous and reported in aggregate form, which you can see after completing the feedback. This work has been reviewed by the WPI Institutional Review Committee, which has determined this research is exempt from further review because no personally identifiable information is stored about participants.

Your participation is completely voluntary and you are not required to answer any of the questions.

Find out more details on how our script works and what you can do to prevent tracking of your browsing behavior.



If you have any comments or questions, please contact us at whattheyknow@cs.wpi.edu