~/tools / security-headers
Security Headers Checker
Scan HTTP security headers. Grades HSTS, CSP, X-Frame-Options and others, with explanations of what each header protects.
[ WARNING ]
Decent but improvable (57/100) — missing: Referrer-Policy, Permissions-Policy · weak: content-security-policy
── output ─────
57
security_score
HTTP 200 · https://www.sky.com/
Strict-Transport-Security (HSTS)
[ STRONG ]
// Forces HTTPS for all connections. Prevents downgrade attacks.
max-age=63072000; preload
Content-Security-Policy (CSP)
[ WEAK ]
// Defines which sources of scripts/styles/images are allowed. Prevents XSS.
default-src 'none'; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.awin1.com *.bskyb.com *.clicktale.net *.contentsquare.com *.contentsquare.net *.demdex.net *.doubleclick.net *.google-analytics.com *.google.co.uk *.google.com *.google.ie *.googlesyndication.com *.googletagmanager.com *.intercom.io *.intercomcdn.com *.kampyle.com *.liveperson.net *.lpsnmedia.net *.lucidcx.com *.medallia.eu *.optimizely.com *.paa-reporting-advertising.amazon *.qualtrics.com *.redditstatic.com *.sky.com *.skyassets.com *.snapchat.com *.stripe.com *.taggstar.com *.tvsquared.com *.yext-pixel.com *.yimg.com *.zenaps.com aax-eu.amazon-adsystem.com acdn.adnxs.com analytics.tiktok.com analytics.twitter.com android-webview-video-poster: answers2-embed.sky.com.pagescdn.com api.branch.io api2.branch.io app.link assets.adobedtm.com assets.sitescdn.net bat.bing.com britishskybroadcasti.tt.omtrdc.net c.amazon-adsystem.com c5.adalyser.com cdn-assets-prod.s3.amazonaws.com cdn.branch.io cdn.co-buying.com cdn.privacy-mgmt.com cdn.spatialbuzz.com cdn.tt.omtrdc.net cdnjs.cloudflare.com connect.facebook.net content.zeotap.com ct.pinterest.com edge.adobedc.net https://cdn.prod.uidapi.com https://js.adsrvr.org ib.adnxs.com js.smct.co js.smct.io lantern.roeyecdn.com maps.googleapis.com platform.twitter.com players.brightcove.net rules.quantcount.com s.pinimg.com s0.2mdn.net sc-static.net secure.adnxs.com secure.quantserve.com servedby.flashtalking.com sky.likewizesupport.com skycustomer.likewizesupport.com smct.co smct.io static.ads-twitter.com tagmanager.google.com the.sciencebehindecommerce.com unpkg.com vjs.zencdn.net www.dwin1.com www.facebook.com www.googleadservices.com www.gstatic.com yahoo.com; style-src 'self' 'unsafe-inline' *.clicktale.net *.contentsquare.net *.doubleclick.net *.googlesyndication.com *.kampyle.com *.liveperson.net *.lpsnmedia.net *.medallia.eu *.sky.com *.skyassets.com assets.adobedtm.com assets.sitescdn.net fonts.googleapis.com players.brightcove.net s0.2mdn.net sky.likewizesupport.com sky.lucidcx.com skycustomer.likewizesupport.com tagmanager.google.com www.facebook.com www.googletagmanager.com www.gstatic.com; font-src 'self' data: *.google.co.uk *.google.com *.google.ie *.intercomcdn.com *.kampyle.com *.medallia.eu *.sky.com *.skyassets.com *.snapchat.com fonts.gstatic.com fonts.smct.co fonts.smct.io players.brightcove.net sky.likewizesupport.com sky.lucidcx.com skycustomer.likewizesupport.com use.typekit.net www.pinterest.com; img-src 'self' android-webview-video-poster: data: *.akamaihd.net *.atdmt.com *.awin1.com *.boltdns.net *.brightcove.com *.brightcovecdn.com *.clicktale.net *.cloudfront.net *.contentsquare.net *.contentstack.io *.demdex.net *.doubleclick.net *.g.doubleclick.net *.google-analytics.com *.google.co.uk *.google.com *.google.ie *.googlesyndication.com *.googletagmanager.com *.gumgum.com *.intercom.io *.intercomassets.com *.intercomassets.eu *.intercomcdn.com *.intercomcdn.eu *.kampyle.com *.liveperson.net *.lpsnmedia.net *.lucidcx.com *.medallia.eu *.mktgcdn.com *.online-metrix.net *.optimizely.com *.qualtrics.com *.reddit.com *.sky *.sky.com *.skyassets.com *.snapchat.com *.tvsquared.com *.yahoo.com *.yext-pixel.com *.zenaps.com 8th.io aax-eu.amazon-adsystem.com acdn.adnxs.com ad.doubleclick.net ade.googlesyndication.com adservice.google.com analytics.tiktok.com analytics.twitter.com api.branch.io api2.branch.io app.link assets.adobedtm.com bat.bing.com c.amazon-adsystem.com c5.adalyser.com cdn.branch.io cdn.privacy-mgmt.com cdn.smct.co cdn.smct.io cdn.spatialbuzz.com cms.quantserve.com connect.facebook.net ct.pinterest.com dmp.v.fwmrm.net ep.smct.co ep.smct.io events.smct.co ib.adnxs.com lantern.roeye.com live.staticflickr.com maps.googleapis.com maps.gstatic.com match.adsrvr.org mwzeom.zeotap.com pixel.quantserve.com players.brightcove.net pm.w55c.net px.smct.co px.smct.io s.pinimg.com s0.2mdn.net sc-static.net secure.adnxs.com servedby.flashtalking.com sky.likewizesupport.com skycustomer.likewizesupport.com smct.co smct.io ssl.gstatic.com t.co tags.w55c.net tracking.audio.thisisdax.com www.facebook.com www.googleadservices.com www.gstatic.com www.pinterest.com; connect-src 'self' android-webview-video-poster: blob: *.akamaihd.net *.akstat.io *.analytics.google.com *.assistant.watson.appdomain.cloud *.boltdns.net *.brightcovecdn.com *.bskyb.com *.clicktale.net *.contentsquare.net *.contentstack.io *.demdex.net *.doubleclick.net *.g.doubleclick.net *.google-analytics.com *.google.co.uk *.google.com *.google.ie *.googlesyndication.com *.googletagmanager.com *.intercom.io *.intercomcdn.com *.intercomcdn.eu *.intercomusercontent.com *.kampyle.com *.liveperson.net *.lpsnmedia.net *.lucidcx.com *.medallia.eu *.optimizely.com *.paa-reporting-advertising.amazon *.qualtrics.com *.reddit.com *.redditstatic.com *.sky.com *.skyassets.com *.snapchat.com *.taggstar.com *.tvsquared.com *.wepowerconnections.com *.yext-pixel.com *.yext.com *.yextapis.com *.yimg.com aax-eu.amazon-adsystem.com acdn.adnxs.com ad.doubleclick.net analytics.tiktok.com api.amplitude.com api.amplitude.com api.branch.io api.iperceptions.com api.taggstar.com api2.branch.io app.link assets.adobedtm.com awk.epgsky.com bat.bing.com britishskybroadcasti.tt.omtrdc.net c.amazon-adsystem.com cdn-assets-prod.s3.amazonaws.com cdn.branch.io cdn.privacy-mgmt.com cdn.spatialbuzz.com cdn.taggstar.com cfg.smct.co cfg.smct.io cognito-identity.eu-west-1.amazonaws.com connect.facebook.net ct.pinterest.com dmp.v.fwmrm.net edge.adobedc.net edge.api.brightcove.com ep.smct.co ep.smct.io faro-collector-prod-eu-west-0.grafana.net firehose.eu-west-1.amazonaws.com https://*.google.com https://*.prod.uidapi.com https://prod.uidapi.com ib.adnxs.com insight.adsrvr.org ipb.smct.co ipb.smct.io ipl.smct.co ipl.smct.io js.smct.co js.smct.io maps.googleapis.com match.adsrvr.org mwzeom.zeotap.com paa-reporting-advertising.amazon pagead2.googlesyndication.com players.brightcove.net pm.w55c.net poc.idscan.cloud prod.idscan.cloud qa.taggstar.com s.pinimg.com s0.2mdn.net sc-static.net secure.adnxs.com sky.likewizesupport.com skycustomer.likewizesupport.com smct.co smct.io spl.zeotap.com the.sciencebehindecommerce.com vip.timezonedb.com wss://*.liveperson.net wss://*.sky.com www.facebook.com www.googleadservices.com www.gstatic.com www.pinterest.co.uk www.pinterest.com www.zenaps.com; frame-src 'self' blob: *.awin1.com *.bskyb.com *.clicktale.net *.contentsquare.net *.demdex.net *.doubleclick.net *.google-analytics.com *.google.co.uk *.google.com *.google.ie *.googlesyndication.com *.kampyle.com *.liveperson.net *.lpsnmedia.net *.medallia.eu *.online-metrix.net *.optimizely.com *.paa-reporting-advertising.amazon *.qualtrics.com *.sky.com *.skyassets.com *.snapchat.com *.stripe.com *.zenaps.com 12660277.fls.doubleclick.net 1580034.fls.doubleclick.net 3662759.fls.doubleclick.net 6993240.fls.doubleclick.net aax-eu.amazon-adsystem.com acdn.adnxs.com analytics.twitter.com answers2-embed.sky.com.pagescdn.com api.branch.io api2.branch.io app.link assets.adobedtm.com c.amazon-adsystem.com cdn.branch.io cdn.privacy-mgmt.com cdn.spatialbuzz.com connect.facebook.net ct.pinterest.com d2d7do8qaecbru.cloudfront.net dmp.v.fwmrm.net ib.adnxs.com insight.adsrvr.org lantern.roeye.com live.tvgenius.net ls.smct.co ls.smct.io match.adsrvr.org paa-reporting-advertising.amazon players.brightcove.net pm.w55c.net s.pinimg.com s0.2mdn.net sc-static.net secure.adnxs.com servedby.flashtalking.com sky.likewizesupport.com sky.lucidcx.com skycustomer.likewizesupport.com smct.co smct.io td.doubleclick.net universal.iperceptions.com w.etadirect.com www.facebook.com www.googleadservices.com www.googletagmanager.com www.pinterest.co.uk www.pinterest.com; frame-ancestors 'self'; worker-src blob: 'self' *.liveperson.net *.sky.com *.skyassets.com assets.adobedtm.com; child-src 'self' blob: *.intercom-sheets.com; media-src 'self' blob: data: *.akamaihd.net *.boltdns.net *.brightcovecdn.com *.cf.brightcove.com *.clicktale.net *.contentsquare.net *.contentstack.io *.demdex.net *.doubleclick.net *.google-analytics.com *.google.co.uk *.google.com *.google.ie *.googlesyndication.com *.intercomcdn.com *.liveperson.net *.lpsnmedia.net *.media.brightcove.com *.sky.com *.skyassets.com assets.adobedtm.com bat.bing.com www.facebook.com; object-src 'self' *.sky.com; form-action *.intercom.help *.intercom.io; report-uri /csp-reports
X-Frame-Options
[ STRONG ]
// Prevents clickjacking by blocking iframe embedding from other origins.
SAMEORIGIN
X-Content-Type-Options
[ STRONG ]
// Prevents MIME sniffing. Should be 'nosniff'.
nosniff
Referrer-Policy
[ MISSING ]
// Controls how much referrer info is leaked when navigating away.
// missing — add this header to improve security
Permissions-Policy
[ MISSING ]
// Restricts which browser features (camera, mic, etc.) the page can use.
// missing — add this header to improve security