Sites using public-key-pins-report-only:
4,678 proton.me
10,816 protonmail.com
142,339 coraxis.info
160,185 coraxis.fr
216,951 alliant.com
285,567 signalpardazgroup.com
373,597 proton.ch
510,906 alliantinsurance.com
842,075 twfeg.org
949,107 suravenir.fr