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

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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%