HTTP Headers Analysis for https://www.edx.org

Detected Technologies from Headers

See all in URL Inspect 4

AWS CloudFront

Cloudflare CDN Active incidents

Envoy

WP Engine

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

Content-Security-Policy

Weak

frame-ancestors 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

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Significantly strengthen CSP directives
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Router-Segment-Prefetch, Accept-Encoding, Origin

connection: close
transfer-encoding: chunked
vary: RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Router-Segment-Prefetch, Accept-Encoding, Origin

Caching Headers

Age

Caching

41163

Cache-Control

Caching

private, no-cache, no-store, max-age=0, must-revalidate

Last-Modified

Caching

Tue, 28 Apr 2026 16:13:34 GMT

age: 41163
cache-control: private, no-cache, no-store, max-age=0, must-revalidate
last-modified: Tue, 28 Apr 2026 16:13:34 GMT

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

X-Powered-By

Server

WP Engine Headless Platform

server: cloudflare
x-powered-by: WP Engine Headless Platform

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=zIQ27K8UZe3qXvqw5Dwc4SRP2vhfZ71ilglfIcgG.jk-1777433978.1839516-1.0.1.1-RMZXcH5D1y1ybuxI7rBI6OAcS5BV1o_v7xE19927yYO7nZyOgx8rydGgk_un5B6EdoG1orETzcmH1Xlxbm3spBfSuH7IqmvSd4Am7vOqAGy44aIYXv66k393uIXv3E1D; HttpOnly; Secure; Path=/; Domain=h97m1sqokqgvsbw1eiqol1oc6.js.wpenginepowered.com; Expires=Wed, 29 Apr 2026 04:09:38 GMT
authx_coin_flip=true; Expires=Fri, 29 May 2026 03:39:38 GMT;Path=/;SameSite=Lax;Secure
dapi_random_id=1777433978195-8hpysz7; Expires=Wed, 06 May 2026 03:39:38 GMT;Path=/;SameSite=Strict;Secure;Domain=.edx.org

Other Headers

Cdn-Cache-Control

Other

public, max-age=86400, stale-while-revalidate=60, stale-if-error=2592000

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

9f3b47dba8582d18-IAD

Date

Other

Wed, 29 Apr 2026 03:39:38 GMT

Link

Other

URL /_next/static/media/e4af272ccee01ff0-s.p.woff2

rel=preload as=font crossorigin type=font/woff2

URL /_next/static/css/afed01e5a59cf782.css

rel=preload as=style

URL /_next/static/css/834eaa970fbf7db1.css

rel=preload as=style

URL /_next/static/css/63827c4f45aec93f.css

rel=preload as=style

Via

Other

1.1 9d8951c0c94d475672f6fd606b4185d4.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

utmjZ2Ar5Zoqj1Ly-iEUNba7qRT5I4sUpD4vYDatgstTAE3FXnhJPg==

X-Amz-Cf-Pop

Other

IAD61-P8

X-Cache

Other

Miss from cloudfront

X-Envoy-Upstream-Service-Time

Other

1941

X-Middleware-Rewrite

Other

/en

X-Violet-Env

Other

prod

X-Violet-Version

Other

8621c8355d01dd477e26bfda2d39c1d561d25bea

cdn-cache-control: public, max-age=86400, stale-while-revalidate=60, stale-if-error=2592000
cf-cache-status: HIT
cf-ray: 9f3b47dba8582d18-IAD
date: Wed, 29 Apr 2026 03:39:38 GMT
link: </_next/static/media/e4af272ccee01ff0-s.p.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2", </_next/static/css/afed01e5a59cf782.css>; rel=preload; as="style", </_next/static/css/834eaa970fbf7db1.css>; rel=preload; as="style", </_next/static/css/63827c4f45aec93f.css>; rel=preload; as="style", </_next/static/css/da8d92e9e5b38154.css>; rel=preload; as="style", </_next/static/css/e5fec6745b51671e.css>; rel=preload; as="style"
via: 1.1 9d8951c0c94d475672f6fd606b4185d4.cloudfront.net (CloudFront)
x-amz-cf-id: utmjZ2Ar5Zoqj1Ly-iEUNba7qRT5I4sUpD4vYDatgstTAE3FXnhJPg==
x-amz-cf-pop: IAD61-P8
x-cache: Miss from cloudfront
x-envoy-upstream-service-time: 1941
x-middleware-rewrite: /en
x-violet-env: prod
x-violet-version: 8621c8355d01dd477e26bfda2d39c1d561d25bea

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology