Content-Security-Policy

HTTP response header

CSP provides a standard method for website owners to declare approved origins of content that browsers should be allowed to load on that website

Header usage statistics

Content-Security-Policy response header information and usage statistics.

Websites using header Content-Security-Policy 2,311,499
Percentage of websites that use Content-Security-Policy header 4.31%
Total discovered header values 293,459
Header uses directives Yes
Header values are unique or random No
Most popular in the country United States of America

Content-Security-Policy Directives (27 total)

  • base-uri
  • block-all-mixed-content
  • child-src
  • connect-src
  • default-src
  • font-src
  • form-action
  • frame-ancestors
  • frame-src
  • img-src
  • manifest-src
  • media-src
  • object-src
  • plugin-types
  • prefetch-src
  • report-to
  • report-uri
  • require-sri-for
  • require-trusted-types-for
  • sandbox
  • script-src
  • script-src-attr
  • style-src
  • style-src-attr
  • trusted-types
  • upgrade-insecure-requests
  • worker-src

Content-Security-Policy Directives

Content-Security-Policy directives value information and usage statistics

Directive Share Websites count Unique Values
upgrade-insecure-requests 17.19% 397,238 26
block-all-mixed-content 6.75% 156,001 29
frame-ancestors <0.1% 497 3
default-src <0.1% 266 6
base-uri <0.1% 78 2
report-uri <0.1% 44 3
object-src <0.1% 35 2
sandbox <0.1% 30 1
media-src <0.1% 18 1
frame-src <0.1% 17 2
child-src <0.1% 16 2
worker-src <0.1% 12 2
plugin-types <0.1% 10 1
script-src <0.1% 9 3
manifest-src <0.1% 8 1
connect-src <0.1% 6 1
form-action <0.1% 6 3
prefetch-src <0.1% 6 1
trusted-types <0.1% 3 1
font-src <0.1% 2 1
img-src <0.1% 2 1
report-to <0.1% 2 1
require-sri-for <0.1% 2 1
require-trusted-types-for <0.1% 2 1
style-src <0.1% 2 1
script-src-attr <0.1% 1 1
style-src-attr <0.1% 1 1

Connected technologies

Technologies that utilize the header

Vimeo, category Video Players, total 463,377 websites
AddThis, category Widgets, total 443,506 websites
PayPal, category Payment Processors, total 335,596 websites
Drift, category Live Chat, total 28,658 websites
Tealium, category Tag Managers, total 22,681 websites
Afterpay, category Payment Processors, total 11,763 websites
Contentful, category Content Management System, total 7,408 websites
Heap, category Analytics, total 7,201 websites
Scene7, category Content Management System, total 2,980 websites
BazaarVoice, category Analytics, total 2,797 websites

Distribution by websites popularity

Content-Security-Policy detection in the top websites by popularity

Top 10k sites 1,865 websites
Top 100k sites 11,518 websites
Top 1m sites 70,270 websites

Websites utilizing Content-Security-Policy

List of websites that use Content-Security-Policy header

Domain Country Rank Contacts
www.facebook.com United States of America 2
twitter.com United States of America 3
instagram.com United States of America 7
www.instagram.com Ireland 7
www.linkedin.com United States of America 9
plus.google.com United States of America 12
See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common Content-Security-Policy header values

Header value Value prevalence
block-all-mixed-content; frame-ancestors 'none'; upgrade-insecure-requests; 16.96%
upgrade-insecure-requests 16.52%
frame-ancestors 'self' 15.39%
upgrade-insecure-requests; 8.40%
frame-ancestors 'self' godaddy.com test-godaddy.com dev-godaddy.com *.godaddy.com *.test-godaddy.com *.dev-godaddy.com 6.49%
upgrade-insecure-requests; default-src https: data:; script-src https: data: 'unsafe-inline' 'unsafe-eval'; style-src https: blob: 'unsafe-inline'; 1.44%
frame-ancestors https://*.ionos.com https://*.ionos.at https://*.ionos.co.uk https://*.ionos.de https://*.ionos.es https://*.ionos.fr https://*.ionos.it https://*.ionos.ca https://*.ionos.mx https://*.ionos.us https://*.website-editor.net https://*.mywebs 1.37%
frame-ancestors 'self' websitebuilder.godaddy.com websitebuilder.secureserver.net 0.78%
default-src 'none'; style-src 'unsafe-inline'; img-src data:; connect-src 'self' 0.74%
report-to network-errors; upgrade-insecure-requests 0.66%
script-src 'self' 0.55%
frame-ancestors 'self'; 0.54%
block-all-mixed-content 0.47%
frame-ancestors 'none' 0.47%
frame-ancestors https://my.bigcartel.com; 0.41%
default-src * data: 'unsafe-eval' 'unsafe-inline' 0.40%
default-src https: data: 'unsafe-inline' 'unsafe-eval' 0.37%
frame-ancestors https://manage.menufy.com https://manager.menufy.com 0.33%
block-all-mixed-content; frame-ancestors *; upgrade-insecure-requests; 0.31%
default-src 'self' 'unsafe-inline' 0.31%