HTTP Headers Analysis for https://api.adcalls.nl

Detected Technologies from Headers

See all in URL Inspect 1

Apache

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000 ; includeSubDomains

Content-Security-Policy

Good

default-src; object-src; child-src; +3 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

no-referrer

Permissions-Policy

Present

accelerometer=(), autoplay=(), camera=(); +17 more

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Strengthen CSP by removing 'unsafe-eval'

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept

connection: close
transfer-encoding: chunked
vary: Accept

Caching Headers

No caching headers found

Content Headers

Content-Type

Content

application/json; charset=UTF-8

content-type: application/json; charset=UTF-8

Server Headers

Server

Apache/2.4.66 (Unix)

X-Version

Server

26.04.08

server: Apache/2.4.66 (Unix)
x-version: 26.04.08

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Thu, 09 Apr 2026 15:04:56 GMT

date: Thu, 09 Apr 2026 15:04:56 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching