HTTP Headers Analysis for https://tenable.com.tw

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

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

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Cookie,Accept-Encoding,Origin,X-Consumer-ID

connection: close
transfer-encoding: chunked
vary: Cookie,Accept-Encoding,Origin,X-Consumer-ID

Caching Headers

Age

Caching

2487

Cache-Control

Caching

public, max-age=300

Last-Modified

Caching

Mon, 11 May 2026 07:11:34 GMT

Pragma

Caching

Public

age: 2487
cache-control: public, max-age=300
last-modified: Mon, 11 May 2026 07:11:34 GMT
pragma: Public

Content Headers

Content-Language

Content

zh-tw

Content-Type

Content

text/html;charset=utf-8

content-language: zh-tw
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: __cf_bm=DFUXyV.ACo2wlfF1ytZad4yvVOYBqC5jT6zbug59NcM-1778604762.3732677-1.0.1.1-GViC6JR.ZI4CXHMAiwV35MW0KBdofVgVcTGqHLkQRGmUbQA5Vsz6O9c6QYNRC8LbjknEqVvoI6tvn2EjMo1YKCb92GdiPexQWWQc5gh.goA38QqhUxtP89gLPJ3FiA4N; HttpOnly; SameSite=None; Secure; Path=/; Domain=tenable.com; Expires=Tue, 12 May 2026 17:22:42 GMT

Other Headers

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

9faaef74dfcd39b2-IAD

Date

Other

Tue, 12 May 2026 16:52:42 GMT

Server-Timing

Other

cfCacheStatus;desc="HIT", cfEdge;dur=23,cfOrigin;dur=0,cfWorker;dur=18

Via

Other

1.1 google

X-Cloud-Trace-Context

Other

38883bc7b80725df3c97140932457deb

X-Translationproxy-Contentsource

Other

remote

X-Translationproxy-Remote-Domain

Other

www.tenable.com

X-Translationproxy-Remotecontenttime

Other

21 ms

X-Translationproxy-Target-Language

Other

zh-TW

X-Translationproxy-Trace-Id

Other

38883bc7b80725df3c97140932457deb/1887376352804763218

cf-cache-status: HIT
cf-ray: 9faaef74dfcd39b2-IAD
date: Tue, 12 May 2026 16:52:42 GMT
server-timing: cfCacheStatus;desc="HIT", cfEdge;dur=23,cfOrigin;dur=0,cfWorker;dur=18
via: 1.1 google
x-cloud-trace-context: 38883bc7b80725df3c97140932457deb
x-translationproxy-contentsource: remote
x-translationproxy-remote-domain: www.tenable.com
x-translationproxy-remotecontenttime: 21 ms
x-translationproxy-target-language: zh-TW
x-translationproxy-trace-id: 38883bc7b80725df3c97140932457deb/1887376352804763218

Recommendations

Enable compression (gzip/brotli) to improve performance