Security Report Summary
A
Site: https://note.com/coo2540/n/nf6ea0bb5a490
IP Address: 54.230.114.108
Report Time: 13 Oct 2026 06:34:47 UTC
Headers:
  • X-Content-Type-Options
  • Strict-Transport-Security
  • Content-Security-Policy
  • X-Frame-Options
  • Referrer-Policy
  • Permissions-Policy
Advanced:
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Missing Headers
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.
Raw Headers
HTTP/2200
content-typetext/html; charset=utf-8
dateTue, 13 Oct 2026 06:34:47 GMT
content-encodinggzip
x-envoy-upstream-service-time224
x-content-type-optionsnosniff
strict-transport-securitymax-age=31536000
cache-controlprivate, no-cache, max-age=0, must-revalidate
content-security-policyscript-src 'self' https: 'nonce-Nzc0ZTczNjEtOTQ4MS00MjVjLThjZTAtNTdlODIzNzBhNjg0' 'strict-dynamic' 'unsafe-inline' https://note.com https://frontend.st-note.com https://d291vdycu0ht11.cloudfront.net https://d2l930y2yx77uc.cloudfront.net https://cdn.st-note.com https://www.googletagmanager.com https://www.google-analytics.com https://www.googleanalytics.com https://www.googleoptimize.com https://optimize.google.com https://*.facebook.net https://*.instagram.com https://platform.twitter.com https://*.twimg.com https://cdn.iframe.ly https://iframely.net https://cdn.embedly.com https://*.tiktok.com https://*.tiktokcdn.com https://*.ibytedtos.com https://speakerdeck.com https://*.flickr.com https://*.mul-pay.jp https://stage-travel.fraudprevention.jp https://travel.fraudprevention.jp https://www.datadoghq-browser-agent.com http://cloudfront.loggly.com https://*.canva.com https://*.ttwstatic.com https://www.google.com/recaptcha/ https://www.gstatic.com/recaptcha/ https://assets.kurashiru.com/ https://*.hsadspixel.net https://*.hs-analytics.net https://js.hscta.net https://*.hubspot.com https://static.hsappstatic.net https://*.usemessages.com https://*.hs-banner.com https://*.hubspotusercontent00.net https://*.hubspotusercontent10.net https://*.hubspotusercontent20.net https://*.hubspotusercontent30.net https://*.hubspotusercontent40.net https://*.hubspot.net https://*.hscollectedforms.net https://*.hsleadflows.net https://*.hsforms.net https://*.hsforms.com https://*.hs-scripts.com https://*.hubspotfeedback.com https://feedback.hubapi.com https://static.ads-twitter.com https://static.paypay.ne.jp; object-src 'none'; base-uri 'self'; frame-ancestors 'self' https://*.note.com;
set-cookienote_gql_auth_token=; Path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT; Domain=.note.com
set-cookie_note_session_v5=13000ba013e7aa80f81df932e09973f2; Path=/; Expires=Tue, 20 Oct 2026 05:01:41 GMT; Domain=.note.com; Secure; HttpOnly
set-cookienote_web_visitor_id=bb118e53-0bda-44e8-bb31-593a45b63b47; Path=/; Expires=Wed, 13 Oct 2027 06:34:46 GMT; Max-Age=31536000; Domain=.note.com; Secure; HttpOnly; SameSite=lax
varyrsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding
link<https://frontend.st-note.com/next/_next/static/css/9be0cb6065b4fb47.css>; rel=preload; as="style"; nonce="Nzc0ZTczNjEtOTQ4MS00MjVjLThjZTAtNTdlODIzNzBhNjg0", <https://frontend.st-note.com/next/_next/static/css/a3c14bfff76a1e8e.css>; rel=preload; as="style"; nonce="Nzc0ZTczNjEtOTQ4MS00MjVjLThjZTAtNTdlODIzNzBhNjg0"
x-cacheMiss from cloudfront
via1.1 02a9d146ae3ff7a72e32482c107429cc.cloudfront.net (CloudFront)
x-amz-cf-popDUB56-P4
x-amz-cf-idQv2EyPEecZYrVWwscRy33806ihM2_zSJ8NwwgtiCEA-v8OgKPJLBwA==
X-Frame-OptionsHeader not set, see Additional Information below.
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".
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.
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. Analyse this policy in more detail. You can sign up for a free account on Report URI to collect reports about problems on your site.
set-cookieThe 'httpOnly' flag is not set on this cookie. The 'secure' flag is not set on this cookie. There is no Cookie Prefix on this cookie. This is not a SameSite Cookie.
set-cookieThere is no Cookie Prefix on this cookie. This is not a SameSite Cookie.
X-Frame-OptionsThe XFO header was not sent but frame-ancestors in Content Security Policy was used instead.