HTTP Headers Analysis for https://wire-app.usezilla.com

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare NEL Monitoring

Cloudflare CDN

Express

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

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
• Significantly strengthen CSP directives
• 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

Accept-Ranges

Performance

bytes

Connection

Performance

close

Transfer-Encoding

Performance

chunked

accept-ranges: bytes
connection: close
transfer-encoding: chunked

Caching Headers

Cache-Control

Caching

public, max-age=0

Last-Modified

Caching

Wed, 21 Jan 2026 14:49:49 GMT

cache-control: public, max-age=0
last-modified: Wed, 21 Jan 2026 14:49:49 GMT

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

Express

server: cloudflare
x-powered-by: Express

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a067e5d5fc0ca3a2-IAD

Date

Other

Thu, 04 Jun 2026 15:16:17 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=irtxr5qGCXCZJ5DjswFDLrOHRB8gtjWyXdcYcSZfyJPCzAZ1tfU%2Bk3ctsScbpEXtcEtkZTRNEkJFAz19QPDoiOSrOkhLfjITEqvCrCwG182WQFBRuegvUF1lv05BlSFjkbaTlc60QZk%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=19,cfOrigin;dur=138

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a067e5d5fc0ca3a2-IAD
date: Thu, 04 Jun 2026 15:16:17 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=irtxr5qGCXCZJ5DjswFDLrOHRB8gtjWyXdcYcSZfyJPCzAZ1tfU%2Bk3ctsScbpEXtcEtkZTRNEkJFAz19QPDoiOSrOkhLfjITEqvCrCwG182WQFBRuegvUF1lv05BlSFjkbaTlc60QZk%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=19,cfOrigin;dur=138

Recommendations

Enable compression (gzip/brotli) to improve performance

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