Websites utilizing X-FB-Debug header

List of 4,075 websites that use X-FB-Debug header.
DomainCountryRankContacts
facebook.com United States2
www.facebook.com United States2
instagram.com United States9
www.instagram.com United States9
messenger.com United States12
www.messenger.com United States12
workplace.com United States15
www.workplace.com United States15
m.facebook.com United States16
api.whatsapp.com United States59
connect.facebook.net United States106
static.xx.fbcdn.net United States143
developers.facebook.com United States158
wa.me United States167
de-de.facebook.com United States223
fb.workplace.com United States230
l.facebook.com United States262
portal.facebook.com United States283
internalfb.com United States300
www.internalfb.com United States300

Download a list in CVS format