initial-host

HTTP response header

Header usage statistics

initial-host response header information and usage statistics.

Websites using header initial-host 291
Percentage of websites that use initial-host header <0.1%
Total discovered header values 291
Header uses directives No
Header values are unique or random Yes
Most popular in the country United States of America

Distribution by websites popularity

initial-host detection in the top websites by popularity

Top 10k sites 0 websites
Top 100k sites 1 websites
Top 1m sites 28 websites

Websites utilizing initial-host

List of websites that use initial-host header

Domain Country Rank Contacts
developers.intercom.com United States of America 98,271
documentation.onesignal.com United States of America 101,455
dev.pagseguro.uol.com.br United States of America 109,929
developer.jwplayer.com United States of America 115,137
developers.mailerlite.com United States of America 127,410
csp.org United States of America 128,278
See full domain list
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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common initial-host header values

Header value Value prevalence
affectiva.readme.io 0.34%
any-attacker.readme.io 0.34%
apacheignite-fs.readme.io 0.34%
apacheignite-mix.readme.io 0.34%
apacheignite-net.readme.io 0.34%
apacheignite-sql.readme.io 0.34%
apacheignite.readme.io 0.34%
api.bullseyelocations.com 0.34%
api.developer.lifx.com 0.34%
api.pushcrew.com 0.34%
apidocs.compose.com 0.34%
apidocs.launchdarkly.com 0.34%
apidocs.os.uk 0.34%
apimetrics.readme.io 0.34%
archive.readme.io 0.34%
assembly-stats.readme.io 0.34%
beluga.readme.io 0.34%
bf-lightning-api.readme.io 0.34%
bitfinex.readme.io 0.34%
bounties.readme.io 0.34%