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 1,794,045
Percentage of websites that use X-Content-Type-Options header 15.46%
Total discovered header values 117
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 68.25% 1,224,474 2

Distribution by websites popularity

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

Top 10k sites 3,855 websites
Top 100k sites 21,361 websites
Top 1m sites 173,031 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 United States of America 2
twitter.com United States of America 3
www.youtube.com United States of America 4
s.w.org United States of America 6
instagram.com United States of America 7
See full domain list

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 99.61%
: nosniff 0.24%
nosniff” 0.07%
nosniff” 0.01%
nossnif 0.01%
nosniff; 0.01%
''nosniff'' 0.01%
nosniff, nosniff 0.00%
\''nosniff\'' 0.00%
no-sniff 0.00%
value 0.00%
* 0.00%
nosnif 0.00%
nosniff always 0.00%
SAMEORIGIN 0.00%
"nosniff" 0.00%
nosniff� 0.00%
nonsniff 0.00%
no sniff 0.00%
X-Content-Type-Options: nosniff 0.00%