HTTP Headers Analysis for https://webmail.ambigain.com

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare NEL Monitoring

Cloudflare CDN

Cloudflare Turnstile

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Basic

default-src; script-src; script-src-attr; +8 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Present

same-origin

Permissions-Policy

Present

accelerometer=(), browsing-topics=(), camera=(); +15 more

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Improve CSP by adding more specific directives and removing 'unsafe-inline'

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

No caching headers found

Content Headers

Content-Length

Content

5134

Content-Type

Content

text/html; charset=UTF-8

content-length: 5134
content-type: text/html; charset=UTF-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Accept-Ch

Other

Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Mitigated

Other

challenge

Cf-Ray

Other

9f0ef8cbd984d68c-IAD

Critical-Ch

Other

Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA

Date

Other

Thu, 23 Apr 2026 18:36:06 GMT

Nel

Other

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

success: 0.0%

Origin-Agent-Cluster

Other

?1

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=u4qzgderQR9IijT2SkL90VACtoS3VmZwVwXY9F1XGpMNiM8uCfENfeCBMA3YB0QACYjttPab0yCS%2BtNlNTFA0U%2BDWQeTwjWI6pyWFVN%2Bmu9mOdkvtjc9oOiNPj3TxyA%2B3JvvbVv5CQ%3D%3D

Server-Timing

Other

chlray;desc="9f0ef8cbd984d68c"

Speculation-Rules

Other

"/cdn-cgi/speculation"

accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc: h3=":443"; ma=86400
cf-mitigated: challenge
cf-ray: 9f0ef8cbd984d68c-IAD
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
date: Thu, 23 Apr 2026 18:36:06 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
origin-agent-cluster: ?1
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=u4qzgderQR9IijT2SkL90VACtoS3VmZwVwXY9F1XGpMNiM8uCfENfeCBMA3YB0QACYjttPab0yCS%2BtNlNTFA0U%2BDWQeTwjWI6pyWFVN%2Bmu9mOdkvtjc9oOiNPj3TxyA%2B3JvvbVv5CQ%3D%3D"}]}
server-timing: chlray;desc="9f0ef8cbd984d68c"
speculation-rules: "/cdn-cgi/speculation"

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching