HTTP response header

Header usage statistics

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

Websites using header X-Content-Options 4,130
Percentage of websites that use X-Content-Options header <0.1%
Total discovered header values 2
Header uses directives No
Header values are unique or random No
Most popular in the country Iran, Islamic Republic of

Distribution by websites popularity

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

Top 10k sites 5 websites
Top 100k sites 18 websites
Top 1m sites 225 websites

Websites utilizing X-Content-Options

List of websites that use X-Content-Options header

Domain Country Rank Contacts
www.nationalgeographic.org United States of America 2,728
musopen.org United States of America 3,327
www.healthyplace.com United States of America 3,675
deutschland.de United States of America 6,062
www.deutschland.de United States of America 6,062
a.cstmapp.com United States of America 11,810
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Content-Options header values

Header value Value prevalence
nosniff 99.98%
Deny 0.02%