Tracking Website Data-Collection and Privacy Practices with the iWatch Web Crawler
by Carlos Jensen et. al
The paper presents a approach for analyzing the privacy practice of Web sites. The iWatch crawler garners information regarding
- Cookies (1st/3rd party)
- unsolicited popus
- Webbugs (1 pixel graphics)
- Banners
- P3P policies (http-header, in page compact P3P policies, known locations)
- Privacy Seals (TRUSTe, BBBOnline, and WebTrust, ...)
- Data-sharing networks (A collection of techniques used to track users across sites)
- Link structure (to derive relationships between sites) and
- Geographic information - GeoIP
The approach sounds quite interesting and delivers some profound statistical data.