Data minimisation
Analytics & privacyDefined term⦿ live instrument below
Data minimisation holds that a system should collect, process, and retain only the data a declared purpose actually requires. In regulation it appears as a core principle; in engineering it is an architectural constraint that shapes schemas, retention, and defaults.
Minimisation is testable from the outside: counts of third-party origins, identifiers set before interaction, and payload contents are all observable. A measurement approach makes the principle falsifiable — which is precisely what sector observatories are for.
Median trackers1
≥1 tracker15/29
Any consent signal7/29
- 01Northwestern Medicine41/1003rd-party25trackers3pre-cookies2
- 02Stanford Health Care53/1003rd-party16trackers2pre-cookies4
- 03Banner Health57/1003rd-party16trackers1pre-cookies4
- 04Cleveland Clinic59/1003rd-party16trackers1pre-cookies8
- 05Ochsner Health61/1003rd-party16trackers2pre-cookies0
- 06Mount Sinai62/1003rd-party18trackers1pre-cookies0
- 07Nationwide Children's Hospital63/1003rd-party9trackers2pre-cookies4
- 08UPMC64/1003rd-party18trackers1pre-cookies4
- 09Vanderbilt University Medical Center65/1003rd-party16trackers1pre-cookies0
- 10Tampa General Hospital67/1003rd-party13trackers0pre-cookies3
- 11Massachusetts General Hospital68/1003rd-party11trackers1pre-cookies2
- 12UCLA Health70/1003rd-party11trackers1pre-cookies1
- 13Emory Healthcare70/1003rd-party12trackers0pre-cookies2
- 14Houston Methodist71/1003rd-party13trackers1pre-cookies4
- 15Baptist Health72/1003rd-party9trackers0pre-cookies3
- 16Mass General Brigham72/1003rd-party12trackers0pre-cookies1
- 17Brigham and Women's Hospital73/1003rd-party10trackers0pre-cookies2
- 18Advocate Health73/1003rd-party13trackers0pre-cookies0
- 19NYU Langone Health78/1003rd-party9trackers0pre-cookies0
- 20Sutter Health79/1003rd-party7trackers0pre-cookies1
- 21MD Anderson Cancer Center79/1003rd-party8trackers0pre-cookies0
- 22Intermountain Health80/1003rd-party3trackers1pre-cookies1
- 23NewYork-Presbyterian81/1003rd-party7trackers0pre-cookies0
- 24Cedars-Sinai83/1003rd-party2trackers0pre-cookies2
- 25Memorial Sloan Kettering83/1003rd-party10trackers1pre-cookies0
- 26Duke Health84/1003rd-party9trackers1pre-cookies0
- 27UCSF Health85/1003rd-party8trackers0pre-cookies2
- 28Rush University Medical Center85/1003rd-party11trackers0pre-cookies0
- 29Penn Medicine86/1003rd-party0trackers0pre-cookies2
29 of 35 US hospitals and health systems homepages · measured 2026-08-03 · score = transparent composite of the raw signals in each row