HTTP Headers Analysis for https://api-js.mixpanel.com

Detected Technologies from Headers

See all in URL Inspect 1

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

Last-Modified

Caching

Tue, 11 Jul 2023 00:00:00 GMT

last-modified: Tue, 11 Jul 2023 00:00:00 GMT

Content Headers

Content-Length

Content

90

Content-Type

Content

application/json

content-length: 90
content-type: application/json

Server Headers

Server

envoy

server: envoy

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

clear

Date

Other

Tue, 24 Mar 2026 14:19:47 GMT

Via

Other

1.1 google

X-Envoy-Upstream-Service-Time

Other

0

alt-svc: clear
date: Tue, 24 Mar 2026 14:19:47 GMT
via: 1.1 google
x-envoy-upstream-service-time: 0

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching