HTTP Headers Analysis for https://classapp.com.br

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

1286359

Last-Modified

Caching

Thu, 23 Apr 2026 04:01:52 GMT

age: 1286359
last-modified: Thu, 23 Apr 2026 04:01:52 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=6UJDykz8CjaFkh5FcIjaROM3nGcBKHMD4SuXUbQTHh0-1778203271.4230163-1.0.1.1-4LtpHjUhzwnNzc.D73XH_.vQsqTvmbfwU7kY1pptbhY; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.classapp.com.br

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

9f84a56e6fb9054a-IAD

Date

Other

Fri, 08 May 2026 01:21:11 GMT

Surrogate-Control

Other

max-age=2147483647

Surrogate-Key

Other

www.classapp.com.br 5cf6646fb1bedb1cac953e0c pageId:642487795e01143cd781ffef

X-Lambda-Id

Other

cc83cdfc-f368-4f9c-8704-ca1596637d69

X-Wf-Region

Other

us-east-1

alt-svc: h3=":443"; ma=86400
cf-cache-status: HIT
cf-ray: 9f84a56e6fb9054a-IAD
date: Fri, 08 May 2026 01:21:11 GMT
surrogate-control: max-age=2147483647
surrogate-key: www.classapp.com.br 5cf6646fb1bedb1cac953e0c pageId:642487795e01143cd781ffef
x-lambda-id: cc83cdfc-f368-4f9c-8704-ca1596637d69
x-wf-region: us-east-1

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching