HTTP Headers Analysis for https://server.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

private

cache-control: private

Content Headers

Content-Disposition

Content

inline; filename="404_new.html"

Content-Type

Content

text/html; charset=utf-8

content-disposition: inline; filename="404_new.html"
content-type: text/html; charset=utf-8

Server Headers

Server

cloudflare

X-Powered-By

Server

Phusion Passenger 5.3.7

X-Runtime

Server

0.003330

server: cloudflare
x-powered-by: Phusion Passenger 5.3.7
x-runtime: 0.003330

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=zu82v_Iufqmj2L84npncTmS0Kv5H__3HJ1tzDJSEwQ0-1776105423.08466-1.0.1.1-fqAicSVrCzEWrEvPH3p2DurHbfLkaUSLBeE8JepNNcJfT8cBw1hn0cDpKXdX9MXfM8QJ03sJfXpuea8RkVdFeZbgo4pk2MGKdjFhSSPDlWmM2ti4f.OZGkLYvCbWI8Ij; HttpOnly; Secure; Path=/; Domain=freshcaller.com; Expires=Mon, 13 Apr 2026 19:07:03 GMT

Other Headers

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9ebc946e4c76d47f-IAD

Content-Transfer-Encoding

Other

binary

Date

Other

Mon, 13 Apr 2026 18:37:03 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

404 Not Found

X-Envoy-Upstream-Service-Time

Other

8

X-Fw-Ratelimiting-Managed

Other

false

X-Request-Id

Other

fe15a770-939c-4153-8152-500ab8cbac20

X-Server-Processing-Time-Ms

Other

16

X-Trace-Id

Other

00-3489695e10149a14695e743e70ad266b-747353b3ce3fbae2-00

cf-cache-status: DYNAMIC
cf-ray: 9ebc946e4c76d47f-IAD
content-transfer-encoding: binary
date: Mon, 13 Apr 2026 18:37:03 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: 404 Not Found
x-envoy-upstream-service-time: 8
x-fw-ratelimiting-managed: false
x-request-id: fe15a770-939c-4153-8152-500ab8cbac20
x-server-processing-time-ms: 16
x-trace-id: 00-3489695e10149a14695e743e70ad266b-747353b3ce3fbae2-00

Recommendations

Enable compression (gzip/brotli) to improve performance

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