- Scan ID:
- 3d155732-702e-4b63-bd23-cac0ca313cceFinished
- Submitted URL:
- https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Frame-Options
- Report Finished:
Risks · 0 found
Practices that may pose security risks
Security Headers · 4 found
HTTP response headers that can harden the security of a web application
Learn more...| Name | Value | Support | Info |
|---|---|---|---|
| Strict-Transport-Security | max-age=63072000 | Good | Declare that a website is only accessible over a secure connection (HTTPS). Click to learn more... |
| X-Frame-Options | DENY | Good | Indicate whether a browser should be allowed to render a page in a <frame>, <iframe>, <embed> or <object>. Click to learn more... |
| X-Content-Type-Options | nosniff | Good | Indicate that the MIME types advertised in the Content-Type headers should be followed and not be changed. Click to learn more... |
| Content-Security-Policy | default-src 'self'; script-src 'report-sample' 'self' https://www.google-analytics.com/analytics.js https://www.googletagmanager.com/gtag/js assets.codepen.io production-assets.codepen.io https://js.stripe.com 'sha256-EehWlTYp7Bqy57gDeQttaWKp0ukTTEUKGP44h8GVeik=' 'sha256-XNBp89FG76amD8BqrJzyflxOF9PaWPqPqvJfKZPCv7M='; script-src-elem 'report-sample' 'self' https://www.google-analytics.com/analytics.js https://www.googletagmanager.com/gtag/js assets.codepen.io production-assets.codepen.io https://js.stripe.com 'sha256-EehWlTYp7Bqy57gDeQttaWKp0ukTTEUKGP44h8GVeik=' 'sha256-XNBp89FG76amD8BqrJzyflxOF9PaWPqPqvJfKZPCv7M='; style-src 'report-sample' 'self' 'unsafe-inline'; object-src 'none'; base-uri 'self'; connect-src 'self' developer.allizom.org bcd.developer.allizom.org bcd.developer.mozilla.org updates.developer.allizom.org updates.developer.mozilla.org https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com https://observatory-api.mdn.allizom.net https://observatory-api.mdn.mozilla.net stats.g.doubleclick.net https://api.stripe.com; font-src 'self'; frame-src 'self' interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net mdn.github.io live-samples.mdn.mozilla.net live-samples.mdn.allizom.net *.mdnplay.dev *.mdnyalp.dev https://v2.scrimba.com https://scrimba.com jsfiddle.net www.youtube-nocookie.com codepen.io survey.alchemer.com https://js.stripe.com; img-src 'self' *.githubusercontent.com *.googleusercontent.com *.gravatar.com mozillausercontent.com firefoxusercontent.com profile.stage.mozaws.net profile.accounts.firefox.com mdn.dev interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net wikipedia.org upload.wikimedia.org https://mdn.github.io/shared-assets/ https://*.google-analytics.com https://*.googletagmanager.com www.gstatic.com; manifest-src 'self'; media-src 'self' archive.org videos.cdn.mozilla.net https://mdn.github.io/shared-assets/; child-src 'self'; worker-src 'self'; | Good | Control resources the user agent is allowed to load for a given page. Click to learn more... |
| Referrer-Policy | — | Good | Control how much referrer information should be included with requests. Click to learn more... |
| Clear-Site-Data | — | Good | Control the data stored by a client browser for their origins. Click to learn more... |
| X-Permitted-Cross-Domain-Policies | — | Good | Control whether a web client such as Adobe Flash Player or Adobe Acrobat has permission to handle data across domains. Click to learn more... |
| Permissions-Policy | — | New | Allow and deny the use of browser features in a document or iframe. Click to learn more... |
| Cross-Origin-Embedder-Policy | — | New | Configure embedding cross-origin resources into the document. Click to learn more... |
| Cross-Origin-Opener-Policy | — | New | Ensure a top-level document does not share a browsing context group with cross-origin documents. Click to learn more... |
| Cross-Origin-Resource-Policy | — | New | Request that the browser blocks no-cors cross-origin/cross-site requests to the given resource. Click to learn more... |
| X-XSS-Protection | — | Deprecated | Deprecated. Stops pages from loading when they detect reflected cross-site scripting (XSS) attacks. Click to learn more... |
| Feature-Policy | — | Deprecated | Deprecated. Replaced by the Permissions-Policy header. Click to learn more... |
| Expect-CT | — | Deprecated | Deprecated. Opt in to reporting and/or enforcement of Certificate Transparency requirements. Click to learn more... |
| Public-Key-Pins | — | Deprecated | Deprecated. Allows HTTPS websites to resist impersonation by attackers using mis-issued or otherwise fraudulent certificates. Click to learn more... |
Security Violations · 0 found
Requests or resources offending security policies
Certificates · 3 found
SSL/TLS Certificates enable websites to encrypt transactions between the client and the server and provide server identity verification
| Subject | Issue date | Expiry date |
|---|---|---|
| developer.mozilla.org | Sep 16, 2024, 22:48:35 | Dec 15, 2024, 23:44:30 |
| *.google-analytics.com | Sep 16, 2024, 08:55:43 | Dec 9, 2024, 08:55:42 |
| bcd.developer.mozilla.org | Oct 7, 2024, 13:03:48 | Jan 5, 2025, 13:59:43 |