HTTP Headers Analysis for https://lists.freebsd.org

Detected Technologies from Headers

See all in URL Inspect 1

Varnish

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Add Content-Security-Policy header to prevent XSS attacks
• 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

73

Etag

Caching

W/"68a48e7d-99c5"

Last-Modified

Caching

Tue, 19 Aug 2025 14:47:25 GMT

age: 73
etag: W/"68a48e7d-99c5"
last-modified: Tue, 19 Aug 2025 14:47:25 GMT

Content Headers

Content-Length

Content

39365

Content-Type

Content

text/html

content-length: 39365
content-type: text/html

Server Headers

Server

CloudSoft_Enterprise/v0.01

server: CloudSoft_Enterprise/v0.01

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Via

Other

1.1 web3.nyi.FreeBSD.org

X-Cache

Other

HIT

X-Varnish

Other

2284030793 2284358061

via: 1.1 web3.nyi.FreeBSD.org
x-cache: HIT
x-varnish: 2284030793 2284358061

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching