Content-Security-Policy-Report-Only

HTTP response header

The HTTP Content-Security-Policy-Report-Only response header allows web developers to experiment with policies by monitoring (but not enforcing) their effects. These violation reports consist of JSON documents sent via an HTTP POST request to the specified URI

Header usage statistics

Content-Security-Policy-Report-Only response header information and usage statistics.
Websites using header Content-Security-Policy-Report-Only273,916
Percentage of websites that use Content-Security-Policy-Report-Only header0.34%
Total discovered header valuesMore than 10,000
Header uses directivesYes
Header values are unique or randomNo
Most popular in the country Germany

Content-Security-Policy-Report-Only directives (29 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
  • navigate-to
  • object-src
  • plugin-types
  • prefetch-src
  • report-to
  • report-uri
  • require-trusted-types-for
  • sandbox
  • script-src
  • script-src-attr
  • script-src-elem
  • style-src
  • style-src-attr
  • style-src-elem
  • trusted-types
  • upgrade-insecure-requests
  • worker-src

Content-Security-Policy-Report-Only Directives

Content-Security-Policy-Report-Only directives value information and usage statistics
DirectiveShareWebsites countUnique Values
block-all-mixed-content4.06%11,13312
upgrade-insecure-requests4.06%11,11011
frame-ancestors<0.1%732
report-uri<0.1%662
child-src<0.1%632
worker-src<0.1%592
media-src<0.1%491
object-src<0.1%341
sandbox<0.1%292
base-uri<0.1%222
default-src<0.1%211
connect-src<0.1%181
form-action<0.1%151
frame-src<0.1%131
font-src<0.1%121
manifest-src<0.1%121
prefetch-src<0.1%121
trusted-types<0.1%121
img-src<0.1%101
script-src-attr<0.1%91
script-src<0.1%81
style-src<0.1%81
style-src-attr<0.1%81
style-src-elem<0.1%81
script-src-elem<0.1%71
report-to<0.1%61
navigate-to<0.1%51
require-trusted-types-for<0.1%51
plugin-types<0.1%41

Connected technologies

Technologies that utilize the header
Amazon S3, category Content Delivery Networks, total 1,234,610 websites
Recurly, category Payment Processors, total 3,546 websites
Payplug, category Payment Processors, total 3,042 websites
Kameleoon, category Personalization, total 2,352 websites
Cardinal, category Payment Processors, total 1,011 websites
Medallia, category User Onboarding, total 689 websites
Zuora, category Payment, total 614 websites
Digital River, category Ecommerce, total 168 websites
RapidSec, category Security Solutions, total 113 websites

Content-Security-Policy-Report-Only header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing Content-Security-Policy-Report-Only

List of websites that use Content-Security-Policy-Report-Only header
DomainCountryRankContacts
google.com United States3
www.google.com United States3
www.youtube.com United States6
www.instagram.com United States9
www.messenger.com United States12
maps.google.com United States24
See full domain list

Common header values

List of top common Content-Security-Policy-Report-Only header values
Header valueValue prevalence
default-src *;script-src 'unsafe-inline' 'unsafe-eval' *;style-src 'unsafe-inline' *;connect-src * blob:;report-uri https://cdn.website-start.de/app/reporting/policyviolation/submit37.44%
default-src *;script-src 'unsafe-inline' 'unsafe-eval' *;style-src 'unsafe-inline' *;connect-src * blob:;report-uri https://cdn.initial-website.com/app/reporting/policyviolation/submit5.64%
default-src https: blob: data: 'unsafe-inline' 'unsafe-eval'; report-to blogspot; report-uri https://www.blogger.com/cspreport3.77%
upgrade-insecure-requests; default-src 'self' https: data: wss: 'unsafe-inline' 'unsafe-eval';2.43%
default-src http: https: 'self'; connect-src 'self' http: https: javascript: wss: *.doubleclick.net *.facebook.com *.freshdesk.com ajax.googleapis.com *.google-analytics.com www.justuno.com *.loyaltylion.net www.shopboostapp.com *.smartsupp.com *.tawk.to 1.98%
default-src https:; script-src https: 'unsafe-eval' 'unsafe-inline'; style-src https: 'unsafe-inline'; img-src https: data:; font-src https: data:; report-uri /csp-report1.86%
block-all-mixed-content; report-uri https://blog.hatena.ne.jp/api/csp_report1.82%
frame-ancestors 'self'1.63%
frame-ancestors 'self' *.qualtrics.com *.my.salesforce.com *.visualforce.com *.visual.force.com *.lightning.force.com; report-uri https://sjc1.qualtrics.com/csp-report0.99%
default-src *;script-src 'unsafe-inline' 'unsafe-eval' *;style-src 'unsafe-inline' *;connect-src * blob:;report-uri https://cdn.eu.mywebsite-editor.com/app/reporting/policyviolation/submit0.91%
default-src https: wss: 'unsafe-inline' 'unsafe-eval' data:; report-uri https://sp.report-uri.com/r/default/csp/reportOnly0.76%
require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/6b8ce7c01e3dacd3d2c7a8cd322ff979/mr0.61%
script-src 'unsafe-eval' blob: 'self' https: 'self' data: 'unsafe-inline' 'unsafe-eval' blob: 'unsafe-inline' internal-soap.wikia.com internal-soap.fandom.com internal-soap.wikia.org internal-soap.gamepedia.com www.fandom.com www.wikia.com www.wikia.org w0.53%
default-src * 'unsafe-eval' 'unsafe-inline' 'unsafe-dynamic' data: filesystem: about: blob: ws: wss:0.49%
default-src * data: ; script-src * 'unsafe-inline' 'unsafe-eval' ; style-src * 'unsafe-inline' data: ; frame-ancestors 'none'; report-uri /csp-violation-report-endpoint/0.48%
default-src https: wss: data: blob: 'unsafe-inline' 'unsafe-eval'; report-uri https://tpj.report-uri.io/r/default/csp/reportOnly0.45%
default-src acsbap.com *.acsbapp.com *.google-analytics.com *.voicepad.com analytics.crea.ca *.hireaiva.com aiva-live-chat.storage.googleapis.com;frame-src 'self' 'unsafe-inline' *.google.com *.google-analytics.com *.googletagmanager.com *.onboardnavigato0.41%
default-src https: data: blob: wss: 'unsafe-inline' 'unsafe-eval'; report-uri /_csp0.41%
script-src 'unsafe-eval' blob: 'self' meta.wikimedia.org *.wikimedia.org *.wikipedia.org *.wikinews.org *.wiktionary.org *.wikibooks.org *.wikiversity.org *.wikisource.org wikisource.org *.wikiquote.org *.wikidata.org *.wikifunctions.org *.wikivoyage.org 0.37%
report-uri /csp-violation-report-endpoint0.30%