HTTP Headers Analysis for https://leadinfo.eu

Detected Technologies from Headers

See all in URL Inspect 2

Nginx

Varnish

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

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

Accept-Encoding

accept-ranges: bytes
connection: close
vary: Accept-Encoding

Caching Headers

Age

Caching

1196

age: 1196

Content Headers

Content-Length

Content

389875

Content-Type

Content

text/html; charset=UTF-8

content-length: 389875
content-type: text/html; charset=UTF-8

Server Headers

Server

nginx/1.22.1

server: nginx/1.22.1

CORS Headers

Access-Control-Allow-Origin

Cors

https://unpkg.com

access-control-allow-origin: https://unpkg.com

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Sun, 26 Apr 2026 23:52:06 GMT

X-Varnish-Cache

Other

Cached

date: Sun, 26 Apr 2026 23:52:06 GMT
x-varnish-cache: Cached

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching