HTTP Headers Viewer for www.facebook.com

{ "success": true, "url": "https:\/\/www.facebook.com", "status": 200, "headers": { "vary": "Accept-Encoding", "set-cookie": "sb=BfaMajbMFqRsEYZOhHkp14ab; expires=Wed, 29-Sep-2027 01:55:17 GMT; Max-Age=34560000; path=\/; domain=.facebook.com; secure; httponly", "accept-ch-lifetime": "4838400", "accept-ch": "viewport-width,dpr,Sec-CH-Prefers-Color-Scheme,Sec-CH-UA-Full-Version-List,Sec-CH-UA-Platform-Version,Sec-CH-UA-Model", "reporting-endpoints": "coop_report=\"https:\/\/www.facebook.com\/browser_reporting\/coop\/?minimize=0\", default=\"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/?device_level=unknown&brsid=7677781967077667904&cpp=C3&cv=1045929245&st=1787622917572\", permissions_policy=\"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/\"", "report-to": "{\"max_age\":2592000,\"endpoints\":[{\"url\":\"https:\\\/\\\/www.facebook.com\\\/browser_reporting\\\/coop\\\/?minimize=0\"}],\"group\":\"coop_report\",\"include_subdomains\":true}, {\"max_age\":259200,\"endpoints\":[{\"url\":\"https:\\\/\\\/www.facebook.com\\\/ajax\\\/browser_error_reports\\\/?device_level=unknown&brsid=7677781967077667904&cpp=C3&cv=1045929245&st=1787622917572\"}]}, {\"max_age\":21600,\"endpoints\":[{\"url\":\"https:\\\/\\\/www.facebook.com\\\/ajax\\\/browser_error_reports\\\/\"}],\"group\":\"permissions_policy\"}", "content-security-policy": "default-src blob: 'self' https:\/\/*.fbsbx.com *.facebook.com *.fbcdn.net *.facebook.net *.whatsapp.com *.whatsapp.net;script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* 'nonce-B6ay5EDJ' blob: 'self' connect.facebook.net 'unsafe-eval' https:\/\/accounts.google.com https:\/\/*.google-analytics.com *.google.com;style-src *.fbcdn.net data: *.facebook.com 'unsafe-inline' https:\/\/accounts.google.com https:\/\/fonts.googleapis.com;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss:\/\/*.facebook.com:* wss:\/\/*.whatsapp.com:* wss:\/\/*.fbcdn.net attachment.fbsbx.com ws:\/\/localhost:* blob: *.cdninstagram.com 'self' http:\/\/localhost:3103 wss:\/\/gateway.facebook.com wss:\/\/edge-chat.facebook.com wss:\/\/snaptu-d.facebook.com wss:\/\/kaios-d.facebook.com\/ v.whatsapp.net *.fbsbx.com *.fb.com *.instagram.com *.ipification.com https:\/\/accounts.google.com https:\/\/*.google-analytics.com;font-src data: *.facebook.com *.fbcdn.net *.fbsbx.com https:\/\/fonts.gstatic.com;img-src *.fbcdn.net *.facebook.com data: https:\/\/*.fbsbx.com facebook.com *.cdninstagram.com fbsbx.com fbcdn.net connect.facebook.net blob: android-webview-video-poster: *.whatsapp.net *.fb.com *.oculuscdn.com *.tenor.co *.tenor.com *.giphy.com https:\/\/trustly.one\/ https:\/\/*.trustly.one\/ https:\/\/paywithmybank.com\/ https:\/\/*.paywithmybank.com\/ https:\/\/www.googleadservices.com https:\/\/googleads.g.doubleclick.net https:\/\/*.google-analytics.com;media-src *.cdninstagram.com blob: *.fbcdn.net *.fbsbx.com www.facebook.com *.facebook.com data: *.tenor.co *.tenor.com https:\/\/*.giphy.com;child-src data: blob: 'self' https:\/\/*.fbsbx.com *.facebook.com *.fbcdn.net;frame-src *.facebook.com *.fbsbx.com fbsbx.com data: www.instagram.com *.fbcdn.net accounts.meta.com *.accounts.meta.com *.fbthirdpartypixel.com *.ipification.com https:\/\/trustly.one\/ https:\/\/*.trustly.one\/ https:\/\/paywithmybank.com\/ https:\/\/*.paywithmybank.com\/ https:\/\/www.googleadservices.com https:\/\/googleads.g.doubleclick.net https:\/\/www.google.com https:\/\/td.doubleclick.net *.google.com *.doubleclick.net;manifest-src data: blob: 'self' https:\/\/*.fbsbx.com *.facebook.com *.fbcdn.net;object-src data: blob: 'self' https:\/\/*.fbsbx.com *.facebook.com *.fbcdn.net;worker-src blob: *.facebook.com data:;block-all-mixed-content;upgrade-insecure-requests;", "x-frame-options": "DENY", "document-policy": "include-js-call-stacks-in-crash-reports", "permissions-policy": "accelerometer=(), attribution-reporting=(self), autoplay=(), bluetooth=(), browsing-topics=(self), camera=(self \"https:\/\/www.fbsbx.com\"), ch-device-memory=(), ch-downlink=(), ch-dpr=(), ch-ect=(), ch-rtt=(), ch-save-data=(), ch-ua-arch=(), ch-ua-bitness=(), ch-viewport-height=(), ch-viewport-width=(), ch-width=(), clipboard-read=(self), clipboard-write=(self), compute-pressure=(), display-capture=(self), encrypted-media=(self), fullscreen=(self), gamepad=*, geolocation=(self), gyroscope=(), hid=(), idle-detection=(), interest-cohort=(self), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(self), midi=(), otp-credentials=(), payment=(), picture-in-picture=(self), private-state-token-issuance=(), publickey-credentials-get=(self), screen-wake-lock=(), serial=(), shared-storage=(), shared-storage-select-url=(), private-state-token-redemption=(), usb=(), unload=(self), window-management=(), xr-spatial-tracking=(self);report-to=\"permissions_policy\"", "cross-origin-resource-policy": "same-origin", "cross-origin-opener-policy": "unsafe-none", "pragma": "no-cache", "cache-control": "private, no-cache, no-store, must-revalidate", "expires": "Sat, 01 Jan 2000 00:00:00 GMT", "x-content-type-options": "nosniff", "x-xss-protection": "0", "origin-agent-cluster": "?1", "strict-transport-security": "max-age=15552000; preload", "content-type": "text\/html; charset=\"utf-8\"", "x-fb-debug": "GIEhE4ps0JVZ2DnpsoS+gqucnDo3I0BUq2fIOMOatZ5B39kOhvrOi1fAu1sx8Lgc4ciSbCZ34mjYj9l8NEThvg==", "date": "Tue, 25 Aug 2026 01:55:17 GMT", "x-fb-connection-quality": "EXCELLENT; q=0.9, rtt=5, rtx=0, c=10, mss=1380, tbw=3803, tp=-1, tpl=-1, uplat=166, ullat=0", "alt-svc": "h3=\":443\"; ma=86400", "server-timing": "slb_crtt;dur=5,slb_srtt;dur=-1,slb_req_start;dur=1787622917527617,slb_srv_hdr_rcvd;dur=166126,slb_cli_body_rcvd_first;dur=-1,slb_cli_body_rcvd_last;dur=-1,slb_conn_lat;dur=0,slb_ssl;dur=26,slb_rule_lat;dur=0" } }