HTTP Headers Analysis for https://mail.souleydev.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains, max-age=31536000; includeSubDomains

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

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Add Content-Security-Policy header to prevent XSS attacks
• 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

Cache-Control

Caching

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

Expires

Caching

Mon, 04 May 2026 14:57:34 GMT

Last-Modified

Caching

Mon, 04 May 2026 14:57:34 GMT

Pragma

Caching

no-cache

cache-control: private, no-cache, no-store, must-revalidate, post-check=0, pre-check=0
expires: Mon, 04 May 2026 14:57:34 GMT
last-modified: Mon, 04 May 2026 14:57:34 GMT
pragma: no-cache

Content Headers

Content-Language

Content

en

Content-Type

Content

text/html; charset=UTF-8

content-language: en
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: roundcube_sessid=dku4v0avbuvun7ak8p816boso9; path=/; HttpOnly

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f685bcd88227c6c-EWR

Date

Other

Mon, 04 May 2026 14:57:34 GMT

Nel

Other

Report-To Group cf-nel max-age: 1w

success: 0.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=SxS4GYNZXrL4%2B56oGn26g3XlVBuB81CLjdWQv9HU6pTZtufT0%2BOGCm6sGLqrpU%2FWRVuC6z5sXuKwRmr%2BpESjKffI%2Fxqi6KGBRLmtflb8arSOXDKi9RNbwKn1YIWUlD6BHta7RFI%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=15,cfOrigin;dur=375

X-Robots-Tag

Other

noindex, nofollow, noindex, nofollow

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f685bcd88227c6c-EWR
date: Mon, 04 May 2026 14:57:34 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=SxS4GYNZXrL4%2B56oGn26g3XlVBuB81CLjdWQv9HU6pTZtufT0%2BOGCm6sGLqrpU%2FWRVuC6z5sXuKwRmr%2BpESjKffI%2Fxqi6KGBRLmtflb8arSOXDKi9RNbwKn1YIWUlD6BHta7RFI%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=15,cfOrigin;dur=375
x-robots-tag: noindex, nofollow, noindex, nofollow

Recommendations

Enable compression (gzip/brotli) to improve performance