HTTP Headers Analysis for https://invite.reddoor.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring Active incidents

Cloudflare CDN Active incidents

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Weak

require-trusted-types-for; report-uri; object-src; +3 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Present

ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*; +6 more

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Significantly strengthen CSP directives
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add X-Content-Type-Options: nosniff
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site, x-fh-requested-host, accept-encoding

accept-ranges: bytes
connection: close
transfer-encoding: chunked
vary: Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site, x-fh-requested-host, accept-encoding

Caching Headers

Cache-Control

Caching

no-cache, no-store, max-age=0, must-revalidate

Expires

Caching

Mon, 01 Jan 1990 00:00:00 GMT

Pragma

Caching

no-cache

cache-control: no-cache, no-store, max-age=0, must-revalidate
expires: Mon, 01 Jan 1990 00:00:00 GMT
pragma: no-cache

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

No cookies headers found

Other Headers

Accept-Ch

Other

Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f9f60da3ec9874a-IAD

Date

Other

Mon, 11 May 2026 07:12:58 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=tjNvBcErL1kNT%2BuiDwO5ETzaV1X%2BP5%2F1DPzhZF2x4CXWQtoeDEb6aKR9bd%2Bx5GlIUTbm1rGp%2BoU%2BAAfsQvJSRXFRKNW9F6D5IXvuvtYOEWbrhj4FhOv7zAyF8CI%2FNH5mn3jFdw%3D%3D

X-Cache

Other

MISS

X-Cache-Hits

Other

0

X-Served-By

Other

cache-iad-kiad7000172-IAD

X-Timer

Other

S1778483578.981401,VS0,VE74

accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
cf-cache-status: DYNAMIC
cf-ray: 9f9f60da3ec9874a-IAD
date: Mon, 11 May 2026 07:12:58 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=tjNvBcErL1kNT%2BuiDwO5ETzaV1X%2BP5%2F1DPzhZF2x4CXWQtoeDEb6aKR9bd%2Bx5GlIUTbm1rGp%2BoU%2BAAfsQvJSRXFRKNW9F6D5IXvuvtYOEWbrhj4FhOv7zAyF8CI%2FNH5mn3jFdw%3D%3D"}]}
x-cache: MISS
x-cache-hits: 0
x-served-by: cache-iad-kiad7000172-IAD
x-timer: S1778483578.981401,VS0,VE74

Recommendations

Enable compression (gzip/brotli) to improve performance