HTTP Headers Analysis for https://lb.freshcaller.com

Detected Technologies from Headers

See all in URL Inspect 15

AWS CloudFront

AWS

Beamer

Cloudflare CDN

Cloudflare CDNJS

Cloudflare Web Analytics

Command AI

Envoy

Freshworks

Google Search

Heap

Phusion Passenger

Sentry

Wistia

YouTube

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Basic

default-src; connect-src; font-src; +5 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

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• 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)
• 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

max-age=0, private, must-revalidate

cache-control: max-age=0, private, must-revalidate

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

X-Powered-By

Server

Phusion Passenger 5.3.7

X-Runtime

Server

0.013940

server: cloudflare
x-powered-by: Phusion Passenger 5.3.7
x-runtime: 0.013940

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=8VVph3zOyG0NaycePVWJwha4kd38sll4AJ365UNG8jQ-1775844988.508695-1.0.1.1-qj5mI61Oiu1R6gs3SsnSnm4OhrnLS0kjNabeQJTUrPIrnQGzfbJ_nZP_QKwrWBlNgXxJhFTEABpDrB7P2.FYP3oT_9PWmwG3JYISFBBThurk9Bgd_ayMUpOMYs0gCkxJ; HttpOnly; Secure; Path=/; Domain=freshcaller.com; Expires=Fri, 10 Apr 2026 18:46:28 GMT

Other Headers

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9ea3be2a294c82f0-IAD

Date

Other

Fri, 10 Apr 2026 18:16:28 GMT

Nel

Other

Report-To Group nel-endpoint-freshcaller max-age: 4w

include subdomains

Report-To

Other

Group nel-endpoint-freshcaller max-age: 4w

Endpoint 1 https://nel.eu-central-1.freshedge.net/nelreports/freshcaller

Status

Other

200 OK

X-Envoy-Upstream-Service-Time

Other

18

X-Fw-Ratelimiting-Managed

Other

false

X-Request-Id

Other

e8a0ca23-92c7-439f-a83c-7678e2d43155

X-Server-Processing-Time-Ms

Other

27

X-Trace-Id

Other

00-73ab0e488eecd0911084e075d04f9dfb-08923f21e52e20b4-00

cf-cache-status: DYNAMIC
cf-ray: 9ea3be2a294c82f0-IAD
date: Fri, 10 Apr 2026 18:16:28 GMT
nel: { "report_to": "nel-endpoint-freshcaller", "max_age": 2592000, "include_subdomains": true}
report-to: { "group": "nel-endpoint-freshcaller", "max_age": 2592000, "include_subdomains": true, "endpoints": [{"url": "https://nel.eu-central-1.freshedge.net/nelreports/freshcaller"}]}
status: 200 OK
x-envoy-upstream-service-time: 18
x-fw-ratelimiting-managed: false
x-request-id: e8a0ca23-92c7-439f-a83c-7678e2d43155
x-server-processing-time-ms: 27
x-trace-id: 00-73ab0e488eecd0911084e075d04f9dfb-08923f21e52e20b4-00

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology