Security Report Summary
R
Redirect: Click here to follow the redirect to https://perimeter.org/.
Site: http://perimeter.org/ - (Scan again over https)
IP Address: 162.159.134.42
Report Time: 26 Apr 2025 21:36:50 UTC
Headers:
  • X-Content-Type-Options
  • Content-Security-Policy
  • X-Frame-Options
  • Referrer-Policy
  • Permissions-Policy
Warning: Grade capped at A, please see warnings below.
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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".
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.
Warnings
Site is using HTTPThis site was served over HTTP and did not redirect to HTTPS.
Raw Headers
HTTP/1.1301 Moved Permanently
DateSat, 26 Apr 2025 21:36:50 GMT
Content-Typetext/html
Content-Length162
Connectionkeep-alive
Locationhttps://perimeter.org/
CF-Ray936937c9dff5bdf5-DUB
CF-Cache-StatusBYPASS
VaryAccept-Encoding
Ki-CF-Cache-StatusBYPASS
ki-edgev=21.0.0;mv=4.1.1
X-Content-Type-Optionsnosniff
X-Edge-Location-Klb1
Set-Cookie__cf_bm=gYZhN0JAa6Di_ZXqP7fhUpd5gsHjszdWRmtMs6SX_uk-1745703410-1.0.1.1-fd74PSaUH6Smbe2TzHLegKydcR2fF0xE.3Uu2jwOm9kFshgUyVTC5oN7jzncynvgDZiuG3O_QOf5X3eUjhuRDblP6f_vefwKXOMVFh.i2_c; path=/; expires=Sat, 26-Apr-25 22:06:50 GMT; domain=.perimeter.org; HttpOnly
Report-To{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=A%2BP6qg6Cg7zJ70YfSyh6MEnsyA7%2FVe925manzgF8Bi7txCNnBqYgP4VHGRHOlG7w9fBTQML6cSGxS1EsJdk83uvUgXKjAp2QhNYbR9fTYynqTZad8sJebnes62rgGvE%3D"}],"group":"cf-nel","max_age":604800}
NEL{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Servercloudflare
alt-svch3=":443"; ma=86400
Upcoming Headers
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.
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.
Additional Information
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".
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.
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.
ServerServer value has been changed. Typically you will see values like "Microsoft-IIS/8.0" or "nginx 1.7.2".