HTTP Headers Analysis for https://api.channel.io

Detected Technologies from Headers

See all in URL Inspect 2

Envoy

Next.js

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

Vary

Performance

Accept-Encoding

connection: close
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

private, no-cache, no-store, max-age=0, must-revalidate

Etag

Caching

"10tbtzxk9kk793o"

cache-control: private, no-cache, no-store, max-age=0, must-revalidate
etag: "10tbtzxk9kk793o"

Content Headers

Content-Length

Content

338720

Content-Type

Content

text/html; charset=utf-8

content-length: 338720
content-type: text/html; charset=utf-8

Server Headers

Server

istio-envoy

X-Powered-By

Server

Next.js

server: istio-envoy
x-powered-by: Next.js

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Mon, 06 Apr 2026 09:06:28 GMT

X-Envoy-Upstream-Service-Time

Other

137

date: Mon, 06 Apr 2026 09:06:28 GMT
x-envoy-upstream-service-time: 137

Recommendations

Enable compression (gzip/brotli) to improve performance

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