X-UA-Compatible

HTTP response header

X-UA-COMPATIBLE indicates that page could be authored to a specific version of a browser

Header usage statistics

X-UA-Compatible response header information and usage statistics.

Websites using header X-UA-Compatible2,347,678
Percentage of websites that use X-UA-Compatible header2.36%
Total discovered header values665
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

X-UA-Compatible Directives

X-UA-Compatible directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header

X-UA-Compatible, category Document Standards, total 22,176,206 websites

Distribution by websites popularity

X-UA-Compatible detection in the top websites by popularity

Top 10k sites791 websites
Top 100k sites7,901 websites
Top 1m sites65,214 websites

Websites utilizing X-UA-Compatible

List of websites that use X-UA-Compatible header

DomainCountryRankContacts
www.pinterest.com US32
polyfill.io US39
support.cloudflare.com US45
play.google.com US47
vimeo.com US67
policies.google.com US70
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 X-UA-Compatible header values

Header valueValue prevalence
IE=edge61.75%
IE=edge,chrome=134.89%
IE=EmulateIE70.68%
IE=100.60%
chrome=10.34%
IE=EmulateIE80.34%
IE=90.17%
IE=70.13%
IE=Edge, chrome=10.11%
IE=8; IE=9; IE=100.09%
IE=80.09%
IE=EmulateIE90.09%
IE=EmulateIE100.06%
IE=edge,chrome=IE70.06%
IE=8; IE=9; IE=EDGE0.05%
IE=110.04%
IE=edge,chrome=IE80.04%
IE=1000.03%
IE=Edge;chrome=10.02%
"IE=11,IE=10,IE=9,IE=8"0.02%