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

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=15552000

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Present

same-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Add Content-Security-Policy header to prevent XSS attacks
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Vary

Performance

origin

connection: close
vary: origin

Caching Headers

Cache-Control

Caching

no-cache

cache-control: no-cache

Content Headers

Content-Length

Content

204

Content-Type

Content

application/json; charset=utf-8

content-length: 204
content-type: application/json; charset=utf-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

Access-Control-Allow-Credentials

Cors

true

Access-Control-Expose-Headers

Cors

WWW-Authenticate,Server-Authorization

access-control-allow-credentials: true
access-control-expose-headers: WWW-Authenticate,Server-Authorization

Cookies Headers

Set-Cookie

Cookies

set-cookie: _cfuvid=giSGzEpK8ohdI8MPgOVpWJr9hrrRIqv6vCkU3AmXXDI-1777976598.1726902-1.0.1.1-lwRFYx9U7WZuhxhjrQOALdCHRML73JVoUXJySTSPzJ0; HttpOnly; SameSite=None; Secure; Path=/; Domain=lob.com

Other Headers

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f6f076a9da2c952-IAD

Date

Other

Tue, 05 May 2026 10:23:18 GMT

cf-cache-status: DYNAMIC
cf-ray: 9f6f076a9da2c952-IAD
date: Tue, 05 May 2026 10:23:18 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance