Accept-Ch

HTTP response header

Header usage statistics

Accept-Ch response header information and usage statistics.

Websites using header Accept-Ch 41,773
Percentage of websites that use Accept-Ch header 0.38%
Total discovered header values 75
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 80.39% 33,583 1
ect 80.12% 33,470 1
device-memory 80.08% 33,450 1
downlink 80.03% 33,429 1
rtt 79.88% 33,370 1
ua 78.71% 32,879 1
ua-platform 78.68% 32,869 1
ua-arch 78.68% 32,866 1
ua-full-version 78.68% 32,866 1
ua-mobile 78.68% 32,866 1
ua-platform-version 78.68% 32,865 1
save-data 0.61% 255 1
width 0.56% 232 1
platform <0.1% 25 1
arch <0.1% 24 1
model <0.1% 24 1
mobile <0.1% 16 1

Distribution by websites popularity

Accept-Ch detection in the top websites by popularity

Top 10k sites 37 websites
Top 100k sites 184 websites
Top 1m sites 3,433 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.amazon.de United States of America 90
www.yahoo.com United States of America 132
www.amazon.fr United States of America 134
www.shopify.com United States of America 159
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, dpr, device-memory, rtt, downlink, ect, ua, ua-full-version, ua-platform, ua-platform-version, ua-arch, ua-model, ua-mobile 97.41%
Viewport-Width, DPR, Device-Memory, RTT, Downlink, ECT 0.72%
device-memory, dpr, viewport-width, rtt, downlink, ect, save-data 0.49%
Device-Memory, DPR, ECT, Viewport-Width 0.25%
device-memory, dpr, width, viewport-width, rtt, downlink, ect 0.19%
DPR, Width, Viewport-Width 0.13%
Save-Data 0.10%
ect,rtt,downlink 0.07%
Viewport-Width, Downlink 0.07%
DPR, Viewport-Width, Width, Save-Data 0.06%
DPR, Width, Viewport-Width, Downlink, Device-Memory 0.05%
Viewport-Width 0.04%
viewport-width, width, dpr 0.03%
DPR, Viewport-Width, Width 0.03%
Width 0.02%
UA-Arch,UA-Full-Version,UA-Mobile,UA-Model,UA-Platform-Version,UA-Platform,UA,ECT,DPR,Downlink,Save-Data,Width,Viewport-Width 0.02%
viewport-width, dpr, device-memory, rtt, downlink, ect, ua, platform, arch, model, mobile 0.02%
DPR,Viewport-Width 0.02%
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 0.02%
device-memory, ect 0.01%