HTTP Headers Analysis for https://api.pwnedpasswords.com

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

No caching headers found

Content Headers

Content-Length

Content

17

Content-Type

Content

text/plain;charset=UTF-8

content-length: 17
content-type: text/plain;charset=UTF-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=eO.R.gBkaMosKWCrksaYM.OqsSFRAAuOTOxL.EfieqI-1774799143.5457075-1.0.1.1-xs.yGG5q8LUU4AqNq3QtHRdPS15embOf80ZgVYAFGLB8I8Wj3KjfSulVWMiDBj.029okO_dxYSfmSC7HUt2WoWfUIS6fIRQry3UGWoJf3VICVDbMPF.uciydCVdY3QzO; HttpOnly; Secure; Path=/; Domain=pwnedpasswords.com; Expires=Sun, 29 Mar 2026 16:15:43 GMT

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Ray

Other

9e4000d72b1d0578-IAD

Date

Other

Sun, 29 Mar 2026 15:45:43 GMT

Server-Timing

Other

cfEdge;dur=4,cfOrigin;dur=0,cfWorker;dur=0

alt-svc: h3=":443"; ma=86400
cf-ray: 9e4000d72b1d0578-IAD
date: Sun, 29 Mar 2026 15:45:43 GMT
server-timing: cfEdge;dur=4,cfOrigin;dur=0,cfWorker;dur=0

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching