3W1 SEO Tools

Make your WWW the #1 with SEO!

  1. SEO Analysis
  2. Predicted PageRank
  3. PageRank Button
  4. Check PageRank
  5. WHOIS
  6. HTTP Headers 

3W1 strongly recommends „White Hat SEO” – learn why it's good for your website, while „Black Hat SEO” is not.

25 HTTP Headers from https://www.facebook.comWith a configurable User Agent String, referring URL (referer) and cookies


  1. HTTP/2 200
  2. vary: Accept-Encoding
  3. set-cookie: fr=0dkgqCMMkdM5bQWjk..Bo-Co7..AAA.0.0.Bo-Co7.AWdYCPm6TA3xxON2SeT0L4vTOu8; expires=Tue, 20-Jan-2026 00:50:03 GMT; Max-Age=7776000; path=/; domain=.facebook.com; secure; httponly
  4. set-cookie: sb=Oyr4aE-sg75FAnWhdizxtZqa; expires=Thu, 26-Nov-2026 00:50:03 GMT; Max-Age=34560000; path=/; domain=.facebook.com; secure; httponly
  5. 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=7563842008582178332&cpp=C3&cv=1028742310&st=1761094203356", permissions_policy="https://www.facebook.com/ajax/browser_error_reports/"
  6. 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=7563842008582178332&cpp=C3&cv=1028742310&st=1761094203356"}]}, {"max_age":21600,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/"}],"group":"permissions_policy"}
  7. content-security-policy: default-src blob: 'self' https://*.fbsbx.com *.facebook.com *.fbcdn.net;script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* 'nonce-WOoFZQLF' blob: 'self' connect.facebook.net 'unsafe-eval' https://*.google-analytics.com *.google.com;style-src *.fbcdn.net data: *.facebook.com 'unsafe-inline' 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 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 *.carriersignal.info 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 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;
  8. x-frame-options: DENY
  9. document-policy: force-load-at-top
  10. document-policy: include-js-call-stacks-in-crash-reports
  11. permissions-policy: accelerometer=(), attribution-reporting=(self), autoplay=(), bluetooth=(), browsing-topics=(self), camera=(self), 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"
  12. cross-origin-resource-policy: same-origin
  13. cross-origin-opener-policy: unsafe-none
  14. pragma: no-cache
  15. cache-control: private, no-cache, no-store, must-revalidate
  16. expires: Sat, 01 Jan 2000 00:00:00 GMT
  17. x-content-type-options: nosniff
  18. x-xss-protection: 0
  19. origin-agent-cluster: ?1
  20. strict-transport-security: max-age=15552000; preload
  21. content-type: text/html; charset="utf-8"
  22. x-fb-debug: EwFXFenpubOiyAn1fs0SAbZJa6RnGNVv9eRY3IJMZTT1T/e3JoxNbR3L7sScw7oiUsru9740BjP9gGe94IT9FQ==
  23. date: Wed, 22 Oct 2025 00:50:03 GMT
  24. x-fb-connection-quality: EXCELLENT; q=0.9, rtt=6, rtx=0, c=10, mss=1380, tbw=3587, tp=-1, tpl=-1, uplat=161, ullat=0
  25. alt-svc: h3=":443"; ma=86400

Latest HTTP Headers requests list 30 URLs with HTTP status codes


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