Security Report Summary
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Site: https://www.sfenvironment.org/
IP Address: 104.21.52.151
Report Time: 28 Oct 2026 05:09:03 UTC
Headers:
  • X-Content-Type-Options
  • X-Frame-Options
  • Content-Security-Policy
  • Referrer-Policy
  • Permissions-Policy
  • Strict-Transport-Security
Advanced:
Your site could be at risk, let’s perform a deeper security analysis of your site and APIs:
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.
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
Strict-Transport-SecurityThe "max-age" directive is too small. The minimum recommended value is 2592000 (30 days).
Raw Headers
HTTP/2200
dateWed, 28 Oct 2026 05:09:03 GMT
content-typetext/html; charset=utf-8
cache-controlmax-age=600, public
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=Mu2%2Bw7WOM2d7WTnblM5vy9YRQh093k1q9PEBVfSISwJpMg6ybAbtssf%2FCjVo4HSDdQrYnNXVzipnDuzRxUFthZlnbbgn2LCisj8Dtzi3SBypKEIC3gws%2FGieEqR8vNFq7YBUm0JQWCA%3D"}]}
content-languageen
cross-origin-embedder-policyunsafe-none
cross-origin-opener-policysame-origin-allow-popups
cross-origin-resource-policysame-origin
servercloudflare
strict-transport-securitymax-age=300
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
x-pantheon-styx-hostnamestyx-us-a-75b4b7ff76-644kz
x-permitted-cross-domain-policiesnone
x-styx-req-idb65517aa-d28c-11f1-bc80-0e41c8304c7d
x-served-bycache-chi-kigq8000141-CHI, cache-fra-eddf8230122-FRA
x-cacheHIT, HIT
x-cache-hits1, 0
x-timerS1793163876.830390,VS0,VE3
varyAccept-Encoding, Cookie, Cookie, Cookie
via1.1 varnish, 1.1 varnish
cf-cache-statusHIT
content-encodinggzip
cf-raya5176d18ad86c20e-DUB
alt-svch3=":443"; ma=86400
Additional Information
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.
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.
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".
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.