HTTP Headers Analysis for https://mail.lerker.hu

Detected Technologies from Headers

See all in URL Inspect 1

Nginx

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Basic

default-src Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

sameorigin

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

accept-ranges: bytes
connection: close

Caching Headers

Etag

Caching

"63deb068-4e"

Last-Modified

Caching

Sat, 04 Feb 2023 19:22:16 GMT

etag: "63deb068-4e"
last-modified: Sat, 04 Feb 2023 19:22:16 GMT

Content Headers

Content-Length

Content

78

Content-Type

Content

text/html

content-length: 78
content-type: text/html

Server Headers

Server

nginx/1.18.0

server: nginx/1.18.0

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Wed, 05 Aug 2026 02:46:34 GMT

X-Download-Options

Other

noopen

X-Permitted-Cross-Domain-Policies

Other

none

date: Wed, 05 Aug 2026 02:46:34 GMT
x-download-options: noopen
x-permitted-cross-domain-policies: none

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching