Security Report Summary
A
Site: https://obsidian.md/publish
IP Address: 104.26.1.147
Report Time: 18 Aug 2026 12:05:10 UTC
Headers:
  • Referrer-Policy
  • Permissions-Policy
  • X-Frame-Options
  • Strict-Transport-Security
  • X-Content-Type-Options
  • Content-Security-Policy
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.
Raw Headers
HTTP/2200
dateTue, 18 Aug 2026 12:05:10 GMT
content-typetext/html; charset=utf-8
servercloudflare
last-modifiedWed, 12 Aug 2026 14:02:28 GMT
access-control-allow-origin*
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
expiresTue, 18 Aug 2026 07:49:50 GMT
cache-controlmax-age=600
referrer-policystrict-origin-when-cross-origin
x-proxy-cacheMISS
x-github-request-id4736:250C32:35923:5862B:6A840C46
x-github-edge-regionnortheurope
permissions-policymicrophone=()
age529
via1.1 varnish
x-served-bycache-dub4390-DUB
x-cacheHIT
x-cache-hits0
x-timerS1787054710.267762,VS0,VE1
varyAccept-Encoding
x-fastly-request-idab192cd5225c52a0bd04e6fe3272107f44176eed
cf-cache-statusDYNAMIC
x-frame-optionsSAMEORIGIN
strict-transport-securitymax-age=7776000
x-content-type-optionsnosniff
report-to{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=iNQFn0XCgTn3A%2Fb7t6myu2LIvWtQm8Ig%2FN6uIPkrkk4qTk%2F%2BZbYHDzmklJR5yX9uNl0y9i202Ii1%2B1SmJaUD4OMbjxdNvL8TIck6Ffyo7tOp4MUUwEvEllS%2BMHt5"}]}
content-encodinggzip
cf-raya2d0c90318d18c91-DUB
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.
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.
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.
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.
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".
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.