HTTP Headers Analysis for https://jenkins.k-4u.nl

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

Good

sameorigin

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Present

same-origin

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
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

connection: close
transfer-encoding: chunked
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

no-cache,no-store,must-revalidate

Expires

Caching

Thu, 01 Jan 1970 00:00:00 GMT

cache-control: no-cache,no-store,must-revalidate
expires: Thu, 01 Jan 1970 00:00:00 GMT

Content Headers

Content-Type

Content

text/html;charset=utf-8

content-type: text/html;charset=utf-8

Server Headers

Server

nginx/1.22.1

server: nginx/1.22.1

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: JSESSIONID.a3f34a04=node0y86qgwgkwx6szlwj2hkcdzi1900457.node0; Path=/; HttpOnly; SameSite=Lax

Other Headers

Date

Other

Mon, 12 Oct 2026 18:17:23 GMT

X-Hudson

Other

1.395

X-Hudson-Theme

Other

default

X-Instance-Identity

Other

MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnCcBb/ycHG3gfl8iuV4w14NHcoZuAMd4VAgbNc6Tb7vUclUyIXhgEZhFbWm35RluDiuCyGzGen0VWH2VWwjjJWaUdQjgibC5OAaneUNPSibVX+VgVZMcmhT5uPjIhTr6bIGVfKiFis/Y2QEbeeSV2pyM9BgEkXDXnvp08qynzJSZ4LU84LHSFZGzZflGqbIar9kVXt5bPp9vZr1qxORW3b9Z/mcXtDnUaXFbyfugvQ+IWPaKubq6116AAGyQ1z4UCVmBEnTzNSdS64RA65M8JC0daS0yM5GYYIPvtk/Ql9ajkw1wahFtH0m9BchaBkknzr7EStCdF9aDYHHBUp94qQIDAQAB

X-Jenkins

Other

2.528.3

X-Jenkins-Language

Other

en

X-Jenkins-Session

Other

c1fe2128

date: Mon, 12 Oct 2026 18:17:23 GMT
x-hudson: 1.395
x-hudson-theme: default
x-instance-identity: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnCcBb/ycHG3gfl8iuV4w14NHcoZuAMd4VAgbNc6Tb7vUclUyIXhgEZhFbWm35RluDiuCyGzGen0VWH2VWwjjJWaUdQjgibC5OAaneUNPSibVX+VgVZMcmhT5uPjIhTr6bIGVfKiFis/Y2QEbeeSV2pyM9BgEkXDXnvp08qynzJSZ4LU84LHSFZGzZflGqbIar9kVXt5bPp9vZr1qxORW3b9Z/mcXtDnUaXFbyfugvQ+IWPaKubq6116AAGyQ1z4UCVmBEnTzNSdS64RA65M8JC0daS0yM5GYYIPvtk/Ql9ajkw1wahFtH0m9BchaBkknzr7EStCdF9aDYHHBUp94qQIDAQAB
x-jenkins: 2.528.3
x-jenkins-language: en
x-jenkins-session: c1fe2128

Recommendations

Enable compression (gzip/brotli) to improve performance