HTTP Headers Analysis for https://academy.optimizely.com

Detected Technologies from Headers

See all in URL Inspect 30

AWS CloudFront

YouTube

AWS

Brightcove

Cloudflare CDNJS

Demandbase

Embedly

Facebook

GitHub

Google Analytics

Google API JS Client

Google Cloud Run

Google Conversion Tracking

Google DoubleClick

Google Search

Google Static File Front End

Google Tag Manager

jQuery

Vimeo Livestream

New Relic

Optimizely

Stripe

Tealium

Vimeo

Wistia

Workato

Zoom Active incidents

Zscaler

Google Cloud

Google Cloud Storage

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Basic

default-src; img-src; media-src; +1 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

connection: close
transfer-encoding: chunked
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

max-age=0, private, must-revalidate

Etag

Caching

W/"817e7b4369ee0b48a36525f3ec31f110"

cache-control: max-age=0, private, must-revalidate
etag: W/"817e7b4369ee0b48a36525f3ec31f110"

Content Headers

Content-Type

Content

text/html; charset=utf-8

content-type: text/html; charset=utf-8

Server Headers

No server headers found

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: experiments_data=eyJfcmFpbHMiOnsibWVzc2FnZSI6IkludGNJbXhoYzNSZlkyaGxZMnRmWVhSY0lqcGNJakl3TWpZdE1EZ3RNakpVTVRjNk1UWTZOVE1yTURBNk1EQmNJaXhjSW1keWIzVndYMmxrYzF3aU9sdGRMRndpWVhOemFXZHVaV1JmYzJWemMybHZibDlwWkZ3aU9qRTFOalExT0RVNU1YMGkiLCJleHAiOm51bGwsInB1ciI6ImNvb2tpZS5leHBlcmltZW50c19kYXRhIn19--4671297c9c955704b39984bf43ed56d10e08be3e; path=/; expires=Wed, 22 Aug 2046 17:16:53 GMT; SameSite=Lax; Secure
tid=26520dd7-8d28-41e5-a16a-12d8df112116; path=/; expires=Sun, 22 Aug 2027 17:16:53 GMT; SameSite=Lax; Secure
_base_session=95d30e095d766edc74d8a6bf39a5698c; path=/; expires=Tue, 22 Sep 2026 03:46:00 GMT; secure; HttpOnly; SameSite=None

Other Headers

Date

Other

Sat, 22 Aug 2026 17:16:54 GMT

Link

Other

URL

https://academy.optimizely.com/custom_fonts/4390/font_faces-1678917324167903.css

rel=preload as=style nopush

URL

/assets/default/all-b99c909b412f13f654b6d31dfe10962d404c8482aaa332c0ddd4bf532f828988.css

rel=preload as=style nopush

URL

/theme/4390-optimizely-academy/1787395984/styles.css

rel=preload as=style nopush

URL

/assets/student/application-d0e8ff00e28c3dc82794315c8719a48a2d17a570c710cac106a0f6aab50db106.js

rel=preload as=script nopush

URL

https://academy.optimizely.com/custom_fonts/4390/font_faces-1678917324167903.css

rel=preload as=style nopush

URL

/assets/default/all-b99c909b412f13f654b6d31dfe10962d404c8482aaa332c0ddd4bf532f828988.css

rel=preload as=style nopush

URL

/theme/4390-optimizely-academy/1787395984/styles.css

rel=preload as=style nopush

URL

/assets/student/application-d0e8ff00e28c3dc82794315c8719a48a2d17a570c710cac106a0f6aab50db106.js

rel=preload as=script nopush

URL

/assets/jstz.min-37ad96aacf8f700e90554cbb6594de8435d1102ca1f075bedc18ce3975b6089c.js

rel=preload as=script nopush

URL

/vite/assets/packs/components.js-CN-IRVNS.js

rel=modulepreload as=script crossorigin nopush

Status

Other

200 OK

X-Download-Options

Other

noopen

X-Permitted-Cross-Domain-Policies

Other

none

X-Request-Id

Other

4ce4da3e-91d5-4d93-895a-bdcbbed1a200

date: Sat, 22 Aug 2026 17:16:54 GMT
link: <https://academy.optimizely.com/custom_fonts/4390/font_faces-1678917324167903.css>; rel=preload; as=style; nopush,</assets/default/all-b99c909b412f13f654b6d31dfe10962d404c8482aaa332c0ddd4bf532f828988.css>; rel=preload; as=style; nopush,</theme/4390-optimizely-academy/1787395984/styles.css>; rel=preload; as=style; nopush,</assets/student/application-d0e8ff00e28c3dc82794315c8719a48a2d17a570c710cac106a0f6aab50db106.js>; rel=preload; as=script; nopush,</assets/jstz.min-37ad96aacf8f700e90554cbb6594de8435d1102ca1f075bedc18ce3975b6089c.js>; rel=preload; as=script; nopush,</vite/assets/packs/components.js-CN-IRVNS.js>; rel=modulepreload; as=script; crossorigin=; nopush
status: 200 OK
x-download-options: noopen
x-permitted-cross-domain-policies: none
x-request-id: 4ce4da3e-91d5-4d93-895a-bdcbbed1a200

Recommendations

Enable compression (gzip/brotli) to improve performance