Accept-CH

HTTP response header

Header usage statistics

Accept-CH response header information and usage statistics.

Websites using header Accept-CH 643,114
Percentage of websites that use Accept-CH header 0.65%
Total discovered header values 122
Header uses directives Yes
Header values are unique or random No
Most popular in the country Canada

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 98.46% 633,232 1
downlink 98.32% 632,300 1
device-memory 98.25% 631,861 1
ect 97.46% 626,772 1
rtt 97.43% 626,601 1
ua 96.49% 620,535 1
ua-platform 96.47% 620,380 1
ua-full-version 96.46% 620,369 1
ua-mobile 96.46% 620,366 1
ua-arch 96.46% 620,365 1
ua-platform-version 96.46% 620,359 1
width 1.12% 7,232 1
save-data 0.85% 5,470 1
platform 0.17% 1,080 1
arch 0.17% 1,070 1
model 0.17% 1,070 1
mobile <0.1% 113 1

Distribution by websites popularity

Accept-CH detection in the top websites by popularity

Top 10k sites 71 websites
Top 100k sites 337 websites
Top 1m sites 2,885 websites

Websites utilizing Accept-CH

List of websites that use Accept-CH header

Domain Country Rank Contacts
youtube.com United States of America 6
www.youtube.com United States of America 6
youtu.be United States of America 49
www.amazon.com United States of America 84
tw.yahoo.com United States of America 162
yandex.ru Russian Federation 163
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 Accept-CH header values

Header value Value prevalence
viewport-width 96.31%
Sec-CH-UA-Mobile 1.32%
device-memory, dpr, viewport-width, rtt, downlink, ect, save-data 0.82%
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 0.81%
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 0.15%
Viewport-Width, DPR, Device-Memory, RTT, Downlink, ECT 0.09%
DPR, Width, Viewport-Width 0.06%
Viewport-Width, Downlink 0.06%
Viewport-Width, DPR 0.06%
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 0.05%
device-memory, dpr, width, viewport-width, rtt, downlink, ect 0.03%
DPR 0.03%
Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version 0.02%
Device-Memory, DPR, ECT, Viewport-Width 0.02%
ect,rtt,downlink 0.01%
Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version, DPR 0.01%
UA 0.01%
Save-Data 0.01%
viewport-width, width, dpr 0.01%
UA, Platform, Model, Mobile, Arch 0.01%