HTTP Headers Analysis for https://www.innuvis.de

Detected Technologies from Headers

See all in URL Inspect 1

Nginx

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,User-Agent

accept-ranges: bytes
connection: close
vary: Accept-Encoding,User-Agent

Caching Headers

Etag

Caching

"8982-65b09ed3cafdd"

Last-Modified

Caching

Wed, 09 Sep 2026 10:00:53 GMT

etag: "8982-65b09ed3cafdd"
last-modified: Wed, 09 Sep 2026 10:00:53 GMT

Content Headers

Content-Length

Content

35202

Content-Type

Content

text/html; charset=UTF-8

content-length: 35202
content-type: text/html; charset=UTF-8

Server Headers

Server

nginx

server: nginx

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Wed, 09 Sep 2026 15:27:01 GMT

date: Wed, 09 Sep 2026 15:27:01 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching