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-Options 14,387,151
Percentage of websites that use X-Content-Type-Options header 14.52%
Total discovered header values 255
Header uses directives Yes
Header values are unique or random No
Most popular in the country United States of America

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

  • nosniff

X-Content-Type-Options Directives

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

Directive Share Websites count Unique Values
nosniff 99.84% 14,363,997 3

Distribution by websites popularity

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

Top 10k sites 3,910 websites
Top 100k sites 33,281 websites
Top 1m sites 279,750 websites

Websites utilizing X-Content-Type-Options

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

Domain Country Rank Contacts
fonts.googleapis.com United States of America 1
www.facebook.com Ireland 2
www.google.com United States of America 3
s.w.org United States of America 5
youtube.com United States of America 6
www.youtube.com United States of America 6
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 X-Content-Type-Options header values

Header value Value prevalence
nosniff 99.82%
nosniff” 0.06%
: nosniff 0.04%
nosniff” 0.01%
"nosniff" always 0.01%
nosniff; 0.01%
nosniff, nosniff 0.01%
nosniff: 0.01%
\'nosniff\' 0.00%
value 0.00%
'nosniff' 0.00%
"nosniff" 0.00%
* 0.00%
no-sniff 0.00%
SAMEORIGIN 0.00%
nonsniff 0.00%
nosnif 0.00%
nossnif 0.00%
“nosniff” 0.00%
nosniff always 0.00%