Security Report Summary
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Site: https://ligne-massy-valenton.com/
IP Address: 104.21.87.119
Report Time: 13 Jun 2026 12:27:33 UTC
Headers:
  • Strict-Transport-Security
  • X-Content-Type-Options
  • Referrer-Policy
  • Permissions-Policy
  • Content-Security-Policy
  • X-Frame-Options
Advanced:
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Missing Headers
Content-Security-PolicyContent Security Policy is an effective measure to protect your site from XSS attacks. By whitelisting sources of approved content, you can prevent the browser from loading malicious assets.
X-Frame-OptionsX-Frame-Options tells the browser whether you want to allow your site to be framed or not. By preventing a browser from framing your site you can defend against attacks like clickjacking. Recommended value "X-Frame-Options: SAMEORIGIN".
Raw Headers
HTTP/2200
dateSat, 13 Jun 2026 12:27:33 GMT
content-typetext/html; charset=UTF-8
servercloudflare
varyAccept-Encoding
last-modifiedTue, 12 May 2026 10:24:19 GMT
strict-transport-securitymax-age=63072000; includeSubdomains; preload
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
permissions-policygeolocation=(), microphone=(), camera=(), magnetometer=(), gyroscope=()
cross-origin-opener-policysame-origin
cross-origin-resource-policysame-origin
cross-origin-embedder-policyunsafe-none
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
cf-cache-statusDYNAMIC
report-to{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=E4vzI8ke9pb4%2BqwGvu%2BRDn%2FuQ7KFG7U%2Ffk9oqBCMJxjA7QfdM4Fcdvp%2BofCTVr6I%2F%2BGH09vXA2%2FmCmKW7PEH3%2Fey3c%2FwnCLjNot%2BeH9837iAwxcAjzsdamulSeWDDc7%2Byd7oBpGxXJY5wBc%3D"}]}
content-encodinggzip
cf-raya0b117081d80bdb4-DUB
alt-svch3=":443"; ma=86400
Additional Information
serverServer value has been changed. Typically you will see values like "Microsoft-IIS/8.0" or "nginx 1.7.2".
strict-transport-securityHTTP Strict Transport Security is an excellent feature to support on your site and strengthens your implementation of TLS by getting the User Agent to enforce the use of HTTPS.
x-content-type-optionsX-Content-Type-Options stops a browser from trying to MIME-sniff the content type and forces it to stick with the declared content-type. The only valid value for this header is "X-Content-Type-Options: nosniff".
referrer-policyReferrer Policy is a new header that allows a site to control how much information the browser includes with navigations away from a document and should be set by all sites.
permissions-policyPermissions Policy is a new header that allows a site to control which features and APIs can be used in the browser.
cross-origin-opener-policyCross-Origin Opener Policy allows a site to opt-in to Cross-Origin Isolation in the browser.
cross-origin-resource-policyCross-Origin Resource Policy allows a resource owner to specify who can load the resource.
cross-origin-embedder-policyCross-Origin Embedder Policy allows a site to prevent assets being loaded that do not grant permission to load them via CORS or CORP.
nelNetwork Error Logging is a new header that instructs the browser to send reports during various network or application errors. You can sign up for a free account on Report URI to collect these reports.
report-toReport-To enables the Reporting API. This allows a website to collect reports from the browser about various errors that may occur. You can sign up for a free account on Report URI to collect these reports.