Security Report Summary
B
Site: https://trello.com/
IP Address: 54.230.114.92
Report Time: 10 Jun 2026 21:08:45 UTC
Headers:
  • Content-Security-Policy
  • X-Content-Type-Options
  • Strict-Transport-Security
  • X-Frame-Options
  • Referrer-Policy
  • Permissions-Policy
Warning: Grade capped at A, please see warnings below.
Advanced:
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Missing Headers
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
Content-Security-PolicyNo valid directives found in policy.
Raw Headers
HTTP/2200
content-typetext/html
dateMon, 08 Jun 2026 08:42:03 GMT
content-security-policy
content-security-policy-report-onlybase-uri 'self'; default-src 'self' *.atlassian.com *.intercomcdn.com *.orangelogic.com *.6sc.co *.6sense.com; script-src 'self' *.gstatic.com *.cookielaw.org *.public.atl-paas.net *.prod.atl-paas.net *.googletagmanager.com *.marketo.net *.atlassian.com utt.impactcdn.com *.google.com *.doubleclick.com *.googleadservices.com *.livechatinc.com *.bing.com *.quora.com *.yimg.jp *.clicktale.net *.linkedin.com *.twitter.com *.licdn.com *.demandbase.com *.doubleclick.net *.facebook.net *.redditstatic.com *.clearbitscripts.com *.clarity.ms *.vimeo.com *.google-analytics.com facebook.com *.facebook.com impactcdn.com *.impactcdn.com clearbitjs.com *.clearbitjs.com yahoo.co.jp *.yahoo.co.jp *.recaptcha.net www.recaptcha.net *.googlerecaptcha.cn *.ads-twitter.com *.intercom.io *.intercomcdn.com *.jsdelivr.net *.6sc.co *.6sense.com *.techtarget.com *.capterra.com otBannerSdk.js 'unsafe-eval' 'unsafe-inline'; style-src 'self' *.public.atl-paas.net *.prod.atl-paas.net fonts.googleapis.com *.googletagmanager.com *.cookielaw.org 'unsafe-inline'; img-src 'self' blob: data: atlassian.com *.atlassian.com *.cookielaw.org *.gravatar.com *.wp.com fd-assets.prod.atl-paas.net pixel.pointmediatracker.com *.frontend.public.atl-paas.net *.prod.public.atl-paas.net cnv.event.prod.bidr.io *.doubleclick.net *.clicktale.net *.bing.com rlcdn.com reddit.com quora.com *.rlcdn.com *.reddit.com *.quora.com *.ctfassets.net *.linkedin.com *.google.com *.google.com.au *.company-target.com *.facebook.com *.google-analytics.com *.twitter.com t.co *.intercomcdn.com *.intercomassets.com *.orangelogic.com *.googletagmanager.com img.logo.dev *.atlassian.net; font-src 'self' *.ctfassets.net *.intercomcdn.com *.gstatic.com *.atl-paas.net; frame-ancestors 'none'; form-action 'self'; report-uri https://web-security-reports.services.atlassian.com/csp-report/trello-bifrost; report-to csp-default-endpoint; connect-src 'self' ws: wss: atlassian.com *.atlassian.com www.atlassian.com *.cookielaw.org *.onetrust.com *.public.atl-paas.net *.prod.atl-paas.net *.mktoresp.com *.ingest.sentry.io *.workato.com atlassian.sjv.io statsigapi.net *.statsigapi.net *.contentful.com atlassian.net *.clicktale.net *.contentsquare.net *.bing.com google-analytics.com company-target.com linkedin.com *.google-analytics.com *.company-target.com *.linkedin.com *.doubleclick.net *.reddit.com *.redditstatic.com *.google.com *.demandbase.com *.clarity.ms *.clearbit.com *.intercom.io *.algolianet.com *.algolia.net *.algolia.io *.recaptcha.net www.recaptcha.net *.googlerecaptcha.cn https://unpkg.com/@rive-app/ *.facebook.com *.orangelogic.com *.adnxs.com *.6sc.co *.6sense.com apis.auxia.io *.atlassian.net /gateway/api/ais/available-products /gateway/api/cookie-integrator/api/onetrust/jwt; worker-src 'self' blob:; frame-src 'self' *.youtube.com *.google.com *.doubleclick.net *.recaptcha.net www.recaptcha.net *.googlerecaptcha.cn *.atl-paas.net *.company-target.com *.googletagmanager.com *.atlassian.net; media-src 'self' *.ctfassets.net *.atlassian.com *.orangelogic.com; sandbox allow-same-origin allow-scripts allow-forms allow-popups allow-modals
reporting-endpointscsp-default-endpoint="https://web-security-reports.services.atlassian.com/csp-report/trello-bifrost"
content-encodinggzip
x-node-architecturearm64
x-instance-typer8g.12xlarge
cache-controlmax-age=0, s-maxage=604800, stale-while-revalidate=604800, stale-if-error=604800, no-cache="Set-Cookie"
serverAtlassianEdge
x-content-type-optionsnosniff
x-xss-protection1; mode=block
atl-traceid31ee829ef0294bc782b4cf4a5d3cbf71
atl-request-id31ee829e-f029-4bc7-82b4-cf4a5d3cbf71
strict-transport-securitymax-age=63072000; preload
report-to{"endpoints": [{"url": "https://dz8aopenkvv6s.cloudfront.net"}], "group": "endpoint-1", "include_subdomains": true, "max_age": 600}
nel{"failure_fraction": 0.01, "include_subdomains": true, "max_age": 600, "report_to": "endpoint-1"}
varyAccept-Encoding
x-cacheHit from cloudfront
via1.1 bfce36cf070c72a24eb681e362bd550a.cloudfront.net (CloudFront)
x-amz-cf-popDUB56-P4
x-amz-cf-id19CFw_OBjnRvDhvVMLdgGaevSF_1jwrf2uLzYJfd5hqZz2eouQo_Fw==
age217602
server-timingcdn-cache-hit,cdn-pop;desc="DUB56-P4",cdn-rid;desc="19CFw_OBjnRvDhvVMLdgGaevSF_1jwrf2uLzYJfd5hqZz2eouQo_Fw==",cdn-hit-layer;desc="EDGE",cdn-downstream-fbl;dur=5
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
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.
content-security-policy-report-onlyContent Security Policy Report Only is used to test a Content Security Policy before making it live. The browser will report on actions that would have been taken based on the policy. 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.
serverServer value has been changed. Typically you will see values like "Microsoft-IIS/8.0" or "nginx 1.7.2".
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-xss-protectionX-XSS-Protection sets the configuration for the XSS Auditor built into older browsers. The recommended value was "X-XSS-Protection: 1; mode=block" but you should now look at Content Security Policy instead.
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.
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.
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.