Accept-CH

HTTP response header

Header usage statistics

Accept-CH response header information and usage statistics.

Websites using header Accept-CH 866,827
Percentage of websites that use Accept-CH header 0.84%
Total discovered header values 140
Header uses directives Yes
Header values are unique or random No
Most popular in the country United States of America

Accept-CH Directives (17 total)

  • arch
  • device-memory
  • downlink
  • dpr
  • ect
  • mobile
  • model
  • platform
  • rtt
  • save-data
  • ua
  • ua-arch
  • ua-full-version
  • ua-mobile
  • ua-platform
  • ua-platform-version
  • width

Accept-CH Directives

Accept-CH directives value information and usage statistics

Directive Share Websites count Unique Values
dpr 98.30% 852,056 1
downlink 98.18% 851,033 1
device-memory 98.12% 850,546 1
ect 97.53% 845,453 1
rtt 97.51% 845,272 1
ua 96.69% 838,120 1
ua-platform 96.67% 837,972 1
ua-full-version 96.67% 837,962 1
ua-mobile 96.67% 837,958 1
ua-arch 96.67% 837,956 1
ua-platform-version 96.67% 837,951 1
width 0.84% 7,273 1
save-data 0.75% 6,517 1
platform 0.12% 1,068 1
arch 0.12% 1,059 1
model 0.12% 1,059 1
mobile <0.1% 112 1

Distribution by websites popularity

Accept-CH detection in the top websites by popularity

Top 10k sites 65 websites
Top 100k sites 385 websites
Top 1m sites 5,667 websites

Websites utilizing Accept-CH

List of websites that use Accept-CH header

Domain Country Rank Contacts
www.amazon.com United States of America 84
tw.yahoo.com United States of America 162
yandex.ru Russian Federation 163
www.shopify.com United States of America 185
issuu.com United States of America 344
work.facebook.com United States of America 353
See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common Accept-CH header values

Header value Value prevalence
viewport-width 96.56%
Sec-CH-UA-Mobile 1.46%
device-memory, dpr, viewport-width, rtt, downlink, ect, save-data 0.73%
DPR, Width, Viewport-Width, Downlink, Device-Memory, Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version, Sec-CH-UA, Sec-CH-UA-Full-Version 0.60%
DPR, Width, Viewport-Width, Device-Memory, rtt, downlink, ect, lang, ua, arch, platform, model, UA-Mobile, UA-Full-Version, UA, UA-Arch, UA-Model, UA-Platform, UA-Platform-Version 0.11%
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version 0.07%
Viewport-Width, DPR, Device-Memory, RTT, Downlink, ECT 0.07%
Viewport-Width, Downlink 0.05%
DPR, Width, Viewport-Width 0.05%
Viewport-Width, DPR 0.05%
Sec-CH-UA, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sce-CH-UA-Platform-Version, Sec-CH-UA-Full-Version 0.04%
device-memory, dpr, width, viewport-width, rtt, downlink, ect, sec-ch-ua, sec-ch-ua-platform, sec-ch-ua-mobile, sec-ch-ua-full-version-list, sec-ch-ua-platform-version, sec-ch-ua-arch, sec-ch-ua-bitness, sec-ch-ua-model 0.03%
DPR 0.02%
Sec-CH-DPR, DPR, Sec-CH-Viewport-Width, Viewport-Width 0.02%
Device-Memory, DPR, ECT, Viewport-Width 0.01%
Sec-CH-UA-Full-Version 0.01%
ect,rtt,downlink 0.01%
viewport-width, width, dpr 0.01%
UA 0.01%
UA, Platform, Model, Mobile, Arch 0.01%