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 trackers4
≥1 tracker28/29
Any consent signal10/29
- 01Northwestern Medicine19/1003rd-party28trackers8pre-cookies2
- 02Cleveland Clinic27/1003rd-party23trackers7pre-cookies8
- 03Ochsner Health29/1003rd-party23trackers8pre-cookies0
- 04Stanford Health Care33/1003rd-party17trackers7pre-cookies4
- 05UPMC33/1003rd-party20trackers6pre-cookies9
- 06Banner Health37/1003rd-party20trackers5pre-cookies4
- 07MD Anderson Cancer Center43/1003rd-party24trackers4pre-cookies0
- 08Vanderbilt University Medical Center45/1003rd-party20trackers5pre-cookies0
- 09Houston Methodist46/1003rd-party15trackers7pre-cookies4
- 10Baptist Health50/1003rd-party14trackers4pre-cookies3
- 11Boston Children's Hospital52/1003rd-party17trackers4pre-cookies5
- 12Massachusetts General Hospital52/1003rd-party17trackers3pre-cookies2
- 13Nationwide Children's Hospital52/1003rd-party11trackers4pre-cookies4
- 14UCLA Health53/1003rd-party15trackers4pre-cookies1
- 15Tampa General Hospital55/1003rd-party13trackers3pre-cookies3
- 16Memorial Sloan Kettering56/1003rd-party19trackers5pre-cookies0
- 17NewYork-Presbyterian56/1003rd-party14trackers4pre-cookies0
- 18Brigham and Women's Hospital57/1003rd-party13trackers3pre-cookies2
- 19Sutter Health58/1003rd-party14trackers3pre-cookies1
- 20Advocate Health61/1003rd-party16trackers2pre-cookies0
- 21UCSF Health66/1003rd-party14trackers3pre-cookies2
- 22NYU Langone Health67/1003rd-party12trackers2pre-cookies0
- 23Mass General Brigham68/1003rd-party14trackers3pre-cookies1
- 24Duke Health69/1003rd-party12trackers4pre-cookies0
- 25Cedars-Sinai71/1003rd-party6trackers2pre-cookies2
- 26Rush University Medical Center71/1003rd-party16trackers2pre-cookies0
- 27Emory Healthcare73/1003rd-party12trackers2pre-cookies2
- 28Intermountain Health79/1003rd-party4trackers1pre-cookies1
- 29Penn Medicine86/1003rd-party0trackers0pre-cookies2
29 of 35 US hospitals & health systems homepages · measured 2026-07-19 · score = transparent composite of the raw signals in each row