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 1,735,007
Percentage of websites that use X-Content-Type-Options header 15.18%
Total discovered header values 116
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 68.97% 1,196,660 2

Distribution by websites popularity

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

Top 10k sites 3,792 websites
Top 100k sites 20,982 websites
Top 1m sites 169,286 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
twitter.com United States of America 3
s.w.org United States of America 6
instagram.com United States of America 7
www.youtube.com United States of America 14,442
www.facebook.com United States of America 22,750
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 99.60%
: nosniff 0.25%
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%
"nosniff" 0.00%
nosniff� 0.00%
SAMEORIGIN 0.00%
nonsniff 0.00%
X-Content-Type-Options: nosniff 0.00%
no sniff 0.00%