Security Report Summary
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Site: https://sindresorhus.com/actions
IP Address: 172.67.134.81
Report Time: 08 Oct 2026 15:48:50 UTC
Headers:
  • X-Content-Type-Options
  • Content-Security-Policy
  • X-Frame-Options
  • 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.
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
Strict-Transport-SecurityThe "max-age" directive is too small. The minimum recommended value is 2592000 (30 days).
Raw Headers
HTTP/2200
dateThu, 08 Oct 2026 15:48:50 GMT
content-typetext/html; charset=utf-8
servercloudflare
x-origin-cacheHIT
last-modifiedThu, 08 Oct 2026 00:21:46 GMT
access-control-allow-origin*
x-content-type-optionsnosniff
expiresThu, 08 Oct 2026 15:58:50 GMT
cache-controlmax-age=600
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
x-proxy-cacheMISS
x-github-request-idC3B0:B935C:B58B:1446F:6AC7BB62
x-github-edge-regionnortheurope
report-to{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=krCDUQ0cpQGUDfVbZCsFcwEqo1rhFzxGBXWcXHCeko2p11jdJbK0c%2BI0O37EFOeYFE5wKfgWcxv95zejNCa%2Fd3floGurOb3vOzro8N%2FJSgmoCeIqNX4a%2BW1JKA%2B8dfZtWBmn"}]}
age0
via1.1 varnish
x-served-bycache-dub4358-DUB
x-cacheMISS
x-cache-hits0
x-timerS1791474531.678684,VS0,VE130
varyAccept-Encoding
x-fastly-request-id9b21b00526d8bcc459e6f8fe69fe01e6feecb3f8
cf-cache-statusDYNAMIC
strict-transport-securitymax-age=0; includeSubDomains; preload
content-encodinggzip
cf-raya4764ac8aefc4ff2-DUB
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
serverServer value has been changed. Typically you will see values like "Microsoft-IIS/8.0" or "nginx 1.7.2".
access-control-allow-originThis is a very lax CORS policy. Such a policy should only be used on a public CDN.
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".
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.
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.