HTTP Headers Analysis for https://ci.viaversion.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring

Cloudflare CDN

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

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: JSESSIONID.a6453898=node0cabc6wq8v75420ya3ahqefmm841885.node0; Path=/; Secure; HttpOnly; SameSite=Lax

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

BYPASS

Cf-Ray

Other

a21b89befd0212f0-IAD

Date

Other

Mon, 27 Jul 2026 12:09:56 GMT

Nel

Other

Report-To Group cf-nel max-age: 1w

success: 0.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=nWItAuUQ1ezKeM3AwyjuNW5FRMnViDII1uqdDESag9muo0asnC3CauEqCCPITp2HmvMbfCdmzQyjJQsVByR%2BQNmV8Pnzcir9MERFWGO8umIZ7ZImlM2nR0yJtM43xf60%2Fhz9

X-Hudson

Other

1.395

X-Hudson-Theme

Other

default

X-Instance-Identity

Other

MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzpeTzgRoPORnhgUgrhynOEkGhjoSpIWJp7eHgExvqzJgVVofTdfmbjwZIOFxa10Bs57Xop1aL3fCvcFLwe4pBDH22Meg9dNghWN7CPUFYK2mhJ+2MSJOC5+TTv4ewOxUIg+V16mD4+tG6kGL5qATIFBfPj15S5+0UxaRXcMA2kOk5RPKEolcE69FIEGHTwyie+izXEFRNI+9aWwCCP2wcYnfMNifkhl714Hab9ujcMXg2TMW++M8znhpjs8Zz9L4WE4jEg7oNt0Fb/tEYgPif+bD9SclypTTosJTDKFmuXtaCKAOqP3snN6o/r2xqeMY1McKN15Fe4ZMLHPlBmqJDQIDAQAB

X-Jenkins

Other

2.516.1

X-Jenkins-Session

Other

8d4cfd66

alt-svc: h3=":443"; ma=86400
cf-cache-status: BYPASS
cf-ray: a21b89befd0212f0-IAD
date: Mon, 27 Jul 2026 12:09:56 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=nWItAuUQ1ezKeM3AwyjuNW5FRMnViDII1uqdDESag9muo0asnC3CauEqCCPITp2HmvMbfCdmzQyjJQsVByR%2BQNmV8Pnzcir9MERFWGO8umIZ7ZImlM2nR0yJtM43xf60%2Fhz9"}]}
x-hudson: 1.395
x-hudson-theme: default
x-instance-identity: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzpeTzgRoPORnhgUgrhynOEkGhjoSpIWJp7eHgExvqzJgVVofTdfmbjwZIOFxa10Bs57Xop1aL3fCvcFLwe4pBDH22Meg9dNghWN7CPUFYK2mhJ+2MSJOC5+TTv4ewOxUIg+V16mD4+tG6kGL5qATIFBfPj15S5+0UxaRXcMA2kOk5RPKEolcE69FIEGHTwyie+izXEFRNI+9aWwCCP2wcYnfMNifkhl714Hab9ujcMXg2TMW++M8znhpjs8Zz9L4WE4jEg7oNt0Fb/tEYgPif+bD9SclypTTosJTDKFmuXtaCKAOqP3snN6o/r2xqeMY1McKN15Fe4ZMLHPlBmqJDQIDAQAB
x-jenkins: 2.516.1
x-jenkins-session: 8d4cfd66

Recommendations

Enable compression (gzip/brotli) to improve performance