HTTP Headers Analysis for https://prompt.io

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

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

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Significantly strengthen CSP directives
• Add X-Content-Type-Options: nosniff
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• 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

Age

Caching

193071

Last-Modified

Caching

Thu, 30 Apr 2026 04:23:57 GMT

age: 193071
last-modified: Thu, 30 Apr 2026 04:23:57 GMT

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: _cfuvid=EwvQGTeRW.Qsv37mBxwCwBSwh_W6o3dM8BFYYGZJX4c-1777716108.0160792-1.0.1.1-dS0yPZb3VhCbkjNyOW27ZJg6oImzsvWx5PEQlygISrA; HttpOnly; SameSite=None; Secure; Path=/; Domain=prompt.io

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

9f562fcb1bb5c9bf-IAD

Date

Other

Sat, 02 May 2026 10:01:48 GMT

Surrogate-Control

Other

max-age=432000

Surrogate-Key

Other

prompt.io 61c0b9666dd9213ae3ed1ad8 pageId:644fe9e656fdc35227778a52 644fe9e656fdc31465778a5e 644fe9e656fdc32eeb778a5c

X-Lambda-Id

Other

f0586002-b3d6-4c7b-8f4a-53ab77aa5553

X-Wf-Region

Other

us-east-1

alt-svc: h3=":443"; ma=86400
cf-cache-status: HIT
cf-ray: 9f562fcb1bb5c9bf-IAD
date: Sat, 02 May 2026 10:01:48 GMT
surrogate-control: max-age=432000
surrogate-key: prompt.io 61c0b9666dd9213ae3ed1ad8 pageId:644fe9e656fdc35227778a52 644fe9e656fdc31465778a5e 644fe9e656fdc32eeb778a5c
x-lambda-id: f0586002-b3d6-4c7b-8f4a-53ab77aa5553
x-wf-region: us-east-1

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching