HTTP/2 200 
content-security-policy: default-src 'self'; script-src 'report-sample' 'self' 'wasm-unsafe-eval' assets.codepen.io production-assets.codepen.io https://js.stripe.com transcend-cdn.com 'sha256-XNBp89FG76amD8BqrJzyflxOF9PaWPqPqvJfKZPCv7M=' 'sha256-YCNoU9DNiinACbd8n6UPyB/8vj0kXvhkOni9/06SuYw=' 'sha256-PZjP7OR6mBEtnvXIZfCZ5PuOlxoDF1LDZL8aj8c42rw='; script-src-elem 'report-sample' 'self' 'wasm-unsafe-eval' assets.codepen.io production-assets.codepen.io https://js.stripe.com transcend-cdn.com 'sha256-XNBp89FG76amD8BqrJzyflxOF9PaWPqPqvJfKZPCv7M=' 'sha256-YCNoU9DNiinACbd8n6UPyB/8vj0kXvhkOni9/06SuYw=' 'sha256-PZjP7OR6mBEtnvXIZfCZ5PuOlxoDF1LDZL8aj8c42rw='; style-src 'report-sample' 'self' 'unsafe-inline' transcend-cdn.com; object-src 'none'; base-uri 'self'; connect-src 'self' developer.allizom.org bcd.developer.allizom.org bcd.developer.mozilla.org updates.developer.allizom.org updates.developer.mozilla.org https://incoming.telemetry.mozilla.org https://observatory-api.mdn.allizom.net https://observatory-api.mdn.mozilla.net telemetry.transcend.io telemetry.us.transcend.io transcend-cdn.com https://api.github.com/search/issues https://api.stripe.com; font-src 'self'; frame-src 'self' mdn.github.io *.mdnplay.dev *.mdnyalp.dev *.play.test.mdn.allizom.net https://v2.scrimba.com https://scrimba.com jsfiddle.net www.youtube-nocookie.com codepen.io survey.alchemer.com https://js.stripe.com; img-src 'self' data: *.githubusercontent.com *.gravatar.com mozillausercontent.com firefoxusercontent.com profile.stage.mozaws.net profile.accounts.firefox.com developer.mozilla.org mdn.dev wikipedia.org upload.wikimedia.org https://mdn.github.io/shared-assets/ https://mdn.dev/; manifest-src 'self'; media-src 'self' archive.org videos.cdn.mozilla.net https://mdn.github.io/shared-assets/; child-src 'self'; worker-src 'self';
x-goog-generation: 1784518660835770
x-guploader-uploadid: AKhXX7KBkX50p8vqk40nWbl29spQBnHzwEdZM0hkTUiTSaiEG3vDAii6F16JMSsB1b3K0V1E
x-content-type-options: nosniff
referrer-policy: strict-origin-when-cross-origin
cache-control: public, max-age=3600
etag: "51a332395b7507a58d1f31c9d9869181"
x-goog-storage-class: STANDARD
x-goog-meta-goog-reserved-file-mtime: 1784517251
server: Google Frontend
x-cloud-trace-context: 22d618b831d8e7091fdb2a3a3f82bc08
x-frame-options: DENY
strict-transport-security: max-age=63072000
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 166944
via: 1.1 google, 1.1 varnish, 1.1 varnish, 1.1 varnish
x-goog-metageneration: 1
last-modified: Mon, 20 Jul 2026 03:37:40 GMT
x-goog-hash: crc32c=P9TzNA==, md5=UaMyOVt1B6WNHzHJ2YaRgQ==
expires: Mon, 20 Jul 2026 10:35:24 GMT
content-type: text/html
content-encoding: br
accept-ranges: bytes
date: Mon, 20 Jul 2026 10:09:44 GMT
age: 2059
x-served-by: cache-bfi-kbfi7400064-BFI, cache-bfi-kbfi7400064-BFI, cache-bfi-kbfi7400064-BFI, cache-ewr-kewr1740062-EWR
x-cache: MISS, HIT, HIT
x-cache-hits: 0, 1, 1
x-timer: S1784542184.032737,VS0,VE1
vary: Accept-Encoding
content-length: 17708