Canary

HTTP response header

Header usage statistics

Canary response header information and usage statistics.
Websites using header Canary4
Percentage of websites that use Canary header<0.1%
Total discovered header values2
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

Canary Directives

Canary directives value information and usage statistics
DirectiveShareWebsites countUnique Values

Canary header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing Canary

List of websites that use Canary header
DomainCountryRankContacts
www.independent.co.uk GB1,391
bookings.reservio.com United States1,549,943
app.reservio.com United States3,018,767
www.the-independent.com United States83,164,117
See full domain list

Common header values

List of top common Canary header values
Header valueValue prevalence
150.00%
true50.00%