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

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare CDN

Envoy

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

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

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Add Content-Security-Policy header to prevent XSS attacks
• 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

connection: close

Caching Headers

No caching headers found

Content Headers

Content-Length

Content

0

content-length: 0

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9ff27c8388103ced-CDG

Date

Other

Thu, 21 May 2026 09:17:09 GMT

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=5,cfOrigin;dur=6

X-Envoy-Upstream-Service-Time

Other

0

cf-cache-status: DYNAMIC
cf-ray: 9ff27c8388103ced-CDG
date: Thu, 21 May 2026 09:17:09 GMT
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=5,cfOrigin;dur=6
x-envoy-upstream-service-time: 0

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching