HTTP Headers Analysis for https://api.studielink.nl

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

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

Present

same-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Significantly strengthen CSP directives
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

No caching headers found

Content Headers

Content-Length

Content

0

content-length: 0

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=z6eysi8hT9EEVEXAIot6dqkMBTA6pEHCqN_NCD.hZrU-1777956847.3932118-1.0.1.1-fCdQuOK7DXQ_797PbgdSsTf7DplgKeemBWHCs6Mwdd7AThPAbk53JHYAuW9iyakr6NqLiNcoUEeseJ5R.2X5LWRAS6I_TrFAcznZQ8Yg8fLyvs.72TL2tdsGkNGQ8fqB; HttpOnly; Secure; Path=/; Domain=studielink.nl; Expires=Tue, 05 May 2026 05:24:07 GMT

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f6d25383d6ee5ba-IAD

Date

Other

Tue, 05 May 2026 04:54:07 GMT

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=17,cfOrigin;dur=336

Speculation-Rules

Other

"/cdn-cgi/speculation"

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f6d25383d6ee5ba-IAD
date: Tue, 05 May 2026 04:54:07 GMT
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=17,cfOrigin;dur=336
speculation-rules: "/cdn-cgi/speculation"

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching