X-Content-Type-Options

HTTP response header

Header usage statistics

X-Content-Type-Options response header information and usage statistics.

Websites using header X-Content-Type-Options16,100,771
Percentage of websites that use X-Content-Type-Options header16.19%
Total discovered header values286
Header uses directivesYes
Header values are unique or randomNo
Most popular in the country US

X-Content-Type-Options directives (1 total)

  • nosniff

X-Content-Type-Options Directives

X-Content-Type-Options directives value information and usage statistics

DirectiveShareWebsites countUnique Values
nosniff99.80%16,068,2863

Distribution by websites popularity

X-Content-Type-Options detection in the top websites by popularity

Top 10k sites4,009 websites
Top 100k sites35,224 websites
Top 1m sites300,570 websites

Websites utilizing X-Content-Type-Options

List of websites that use X-Content-Type-Options header

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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common X-Content-Type-Options header values

Header valueValue prevalence
nosniff99.78%
: nosniff0.08%
nosniff”0.05%
"nosniff" always0.02%
"nosniff"0.01%
nosniff”0.01%
nosniff;0.01%
nosniff, nosniff0.01%
nosniff:0.00%
value0.00%
\'nosniff\'0.00%
'nosniff'0.00%
*0.00%
no-sniff0.00%
“nosniff”0.00%
nonsniff0.00%
SAMEORIGIN0.00%
nosnif0.00%
DENY0.00%
sniff0.00%