Websites utilizing Origin-Agent-Cluster header

List of 165,837 websites that use Origin-Agent-Cluster header.
DomainCountryRankContacts
facebook.com United States2
instagram.com United States9
messenger.com United States12
workplace.com United States15
afternic.com United States52
api.whatsapp.com United States59
connect.facebook.net United States106
developers.facebook.com United States158
wa.me United States167
de-de.facebook.com United States223
fb.workplace.com United States230
123.click.com.cn China233
xing.com Germany271
internalfb.com United States300
work.workplace.com United States364
web.facebook.com United States374
en-gb.facebook.com United States378
meet.google.com United States379
da-dk.workplace.com United States389
it-it.workplace.com United States390

Download a list in CVS format