HTTP Headers Analysis for https://cireneo-backend.onrender.com

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare CDN

Render

Express

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Good

default-src Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Present

camera=(), microphone=(), geolocation=()

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Strengthen CSP by removing 'unsafe-eval'
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Origin, Accept-Encoding

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

Caching Headers

No caching headers found

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

Express

server: cloudflare
x-powered-by: Express

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a3a8ab6afa467112-IAD

Date

Other

Sun, 13 Sep 2026 16:53:42 GMT

Rndr-Id

Other

1b0eaea5-f79f-4318

X-Render-Origin-Server

Other

Render

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a3a8ab6afa467112-IAD
date: Sun, 13 Sep 2026 16:53:42 GMT
rndr-id: 1b0eaea5-f79f-4318
x-render-origin-server: Render

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

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