HTTP Headers Analysis for https://assets.contentstack.io

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31557600

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Present

same-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Content-Type-Options: nosniff
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Vary

Performance

branch, api_key, access_token

connection: close
vary: branch, api_key, access_token

Caching Headers

Cache-Control

Caching

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

cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0

Content Headers

Content-Length

Content

75

Content-Type

Content

application/json

content-length: 75
content-type: application/json

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

Access-Control-Allow-Headers

Cors

content-disposition, content-type, cache-control, content-length

Access-Control-Allow-Origin

Cors

*

access-control-allow-headers: content-disposition, content-type, cache-control, content-length
access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Ray

Other

9f995bc52c7bd6b4-IAD

Date

Other

Sun, 10 May 2026 13:40:55 GMT

X-Timer

Other

220

alt-svc: h3=":443"; ma=86400
cf-ray: 9f995bc52c7bd6b4-IAD
date: Sun, 10 May 2026 13:40:55 GMT
x-timer: 220

Recommendations

Enable compression (gzip/brotli) to improve performance