Accept-CH

HTTP response header

Header usage statistics

Accept-CH response header information and usage statistics.

Websites using header Accept-CH 25,199
Percentage of websites that use Accept-CH header <0.1%
Total discovered header values 94
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 55.00% 13,859 1
downlink 54.52% 13,739 1
ect 54.06% 13,623 1
rtt 54.04% 13,618 1
device-memory 54.03% 13,614 1
ua 52.52% 13,234 1
ua-full-version 52.40% 13,204 1
ua-platform 52.40% 13,204 1
ua-arch 52.39% 13,203 1
ua-mobile 52.39% 13,203 1
ua-platform-version 52.39% 13,202 1
save-data 1.45% 366 1
width 0.93% 234 1
arch 0.30% 76 1
model 0.30% 76 1
platform 0.30% 76 1
mobile 0.13% 34 1

Distribution by websites popularity

Accept-CH detection in the top websites by popularity

Top 10k sites 30 websites
Top 100k sites 74 websites
Top 1m sites 334 websites

Websites utilizing Accept-CH

List of websites that use Accept-CH header

Domain Country Rank Contacts
www.amazon.com United States of America 21
issuu.com United States of America 87
www.yahoo.com United States of America 132
www.shopify.com United States of America 159
www.amazon.co.jp United States of America 268
moz.com United States of America 332
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, dpr, device-memory, rtt, downlink, ect, ua, ua-full-version, ua-platform, ua-platform-version, ua-arch, ua-model, ua-mobile 87.13%
device-memory, dpr, viewport-width, rtt, downlink, ect, save-data 4.46%
Viewport-Width, DPR, Device-Memory, RTT, Downlink, ECT 1.37%
Viewport-Width, Downlink 1.07%
DPR, Width, Viewport-Width 0.96%
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 0.91%
Viewport-Width, DPR 0.62%
Device-Memory, DPR, ECT, Viewport-Width 0.42%
device-memory, dpr, width, viewport-width, rtt, downlink, ect 0.32%
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 0.23%
DPR 0.21%
Save-Data 0.19%
DPR,Viewport-Width 0.15%
DPR, Viewport-Width, Width, Save-Data 0.15%
UA, Platform, Model, Mobile, Arch 0.14%
Width 0.13%
viewport-width, width, dpr 0.13%
ect,rtt,downlink 0.13%
DPR, Viewport-Width, Width 0.13%
Width, Viewport-Width 0.12%