Websites utilizing X-FB-Connection-Quality header

List of 6,503 websites that use X-FB-Connection-Quality header.
DomainCountryRankContacts
facebook.com United States2
instagram.com United States9
messenger.com United States12
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
wa.me United States167
de-de.facebook.com United States223
scontent-iad3-1.xx.fbcdn.net United States228
fb.workplace.com United States230
l.facebook.com United States262
scontent-iad3-2.xx.fbcdn.net United States268
portal.facebook.com United States283
scontent-atl3-1.xx.fbcdn.net United States286
scontent-lga3-2.xx.fbcdn.net United States292
scontent-lga3-1.xx.fbcdn.net United States297
scontent-dfw5-1.xx.fbcdn.net United States306
scontent-dfw5-2.xx.fbcdn.net United States308

Download a list in CVS format