Critical-Ch

HTTP response header

Header usage statistics

Critical-Ch response header information and usage statistics.
Websites using header Critical-Ch583,980
Percentage of websites that use Critical-Ch header0.72%
Total discovered header values47
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

Critical-Ch Directives

Critical-Ch directives value information and usage statistics
DirectiveShareWebsites countUnique Values

Critical-Ch header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing Critical-Ch

List of websites that use Critical-Ch header
DomainCountryRankContacts
support.microsoft.com United States165
browser.yandex.ru Russia1,970
www.ubereats.com United States2,528
passport.yandex.ru Russia3,022
livelinda.com United States4,086
dirtylinda.com United States4,432
See full domain list

Common header values

List of top common Critical-Ch header values
Header valueValue prevalence
Sec-CH-Prefers-Color-Scheme99.79%
Sec-CH-UA-Mobile,Sec-CH-UA-Full-Version,Sec-CH-UA-Full-Version-List,Sec-CH-UA-Platform,Sec-CH-UA-Platform-Version,Sec-CH-UA-Arch,Sec-CH-UA-Model,Sec-CH-UA-Bitness,Sec-CH-UA-WoW640.09%
SEC-CH-UA,SEC-CH-UA-FULL-VERSION,SEC-CH-UA-PLATFORM,SEC-CH-UA-PLATFORM-VERSION,SEC-CH-UA-ARCH,SEC-CH-BITNESS,SEC-CH-UA-MODEL,SEC-CH-UA-MOBILE,DEVICE-MEMORY,DPR,VIEWPORT-WIDTH,DOWNLINK,ECT,RTT,SAVE-DATA,SEC-CH-PREFERS-COLOR-SCHEME,SEC-CH-PREFERS-REDUCED-MO0.05%
sec-ch-ua-platform-version,sec-ch-ua-full-version,sec-ch-ua-full-version-list,sec-ch-ua-model,sec-ch-ua-arch,sec-ch-ua-mobile0.02%
Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version, Sec-CH-UA-Model, Sec-CH-UA-Full-Version-List0.02%
sec-ch-ua-platform,ua-platform,sec-ch-ua-mobile,ua-mobile,sec-ch-ua-platform-version,ua-platform-version,sec-ch-ua-model,ua-model0.01%
Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform0.00%
sec-ch-ua-platform,sec-ch-ua-platform-version,sec-ch-ua-full-version-list,sec-ch-ua-model,sec-ch-ua-arch,sec-ch-ua-bitness,sec-ch-ua-wow640.00%
Sec-CH-UA, Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version, Sec-CH-UA-Platform-Version, Sec-CH-UA-WoW640.00%
Sec-CH-UA, Sec-CH-UA-Mobile, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version, Sec-CH-UA-Model0.00%
Sec-CH-UA-Full0.00%
device-memory, dpr, viewport-width, ect0.00%
Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version0.00%
sec-ch-ua-platform-version,sec-ch-ua-full-version,sec-ch-ua-full-version-list,sec-ch-ua-model,sec-ch-ua-arch,sec-ch-ua-bitness,sec-ch-ua-wow640.00%
Sec-CH-UA-Model, Sec-CH-UA-Platform-Version0.00%
Sec-CH-UA-Model0.00%
DPR, Viewport-Width, Device-Memory, Save-Data, RTT, Downlink, ECT, Sec-CH-UA, Sec-CH-UA-Mobile, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH0.00%
UA-Platform Viewport-Width Sec-CH-Prefers-Color-Scheme Sec-CH-Prefers-Contrast0.00%
sec-ch-ua-platform-version0.00%
Viewport-Width, Sec-CH-Viewport-Width, Sec-CH-UA-Mobile, Sec-CH-UA-Platform, DPR, Sec-CH-DPR0.00%