HTTP/2 200 server: nginx date: Sun, 28 Dec 2025 09:18:31 GMT content-type: text/html; charset=utf-8 vary: Accept-Encoding x-frame-options: SAMEORIGIN x-xss-protection: 0 x-content-type-options: nosniff x-permitted-cross-domain-policies: none referrer-policy: strict-origin-when-cross-origin x-discourse-route: categories/index vary: Accept cross-origin-opener-policy: same-origin-allow-popups cache-control: no-cache, no-store content-security-policy-report-only: upgrade-insecure-requests; base-uri 'self'; object-src 'none'; script-src 'nonce-b7NXWycpgSrYuBrDYvUTUJ2P5' 'strict-dynamic'; frame-ancestors 'self' https://v3.mbed.com; manifest-src 'self' x-discourse-cached: skip x-request-id: 5b042ac2-e10e-4c4e-88d2-2d31e5985e91 x-discourse-trackview: 1 content-encoding: gzip cdck-proxy-id: app-router-tieadvanced03.yyz1 strict-transport-security: max-age=31536000 cdck-proxy-id: app-balancer-tieinterceptor1b.yyz1