Blacklight – Real Time Website Privacy Inspector
https://themarkup.org/blacklight/

Who is peeking over your shoulder while you work, watch videos, learn, explore, and shop on the internet? Enter the address of any website, and Blacklight will scan it and reveal the specific user-tracking technologies on the site—and who’s getting your data. You may be surprised at what you learn. This will be added to Privacy Resources Subject Tracer™. This will be added to New Economy Resources Subject Tracer™. This will be added to World Wide Web Reference Subject Tracer™.  This will be added to Entrepreneurial Resources Subject Tracer™. This will be added to the tools section of Research Resources Subject Tracer™.