HTTP Headers Analysis for https://code.highcharts.com

Detected Technologies from Headers

See all in URL Inspect 2

Amazon S3

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

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

Transfer-Encoding

Performance

chunked

accept-ranges: bytes
connection: close
transfer-encoding: chunked

Caching Headers

Age

Caching

5890

Cache-Control

Caching

public, max-age=2678400

Expires

Caching

Mon, 23 Mar 2026 07:07:05 GMT

Last-Modified

Caching

Thu, 30 Oct 2025 14:39:26 GMT

age: 5890
cache-control: public, max-age=2678400
expires: Mon, 23 Mar 2026 07:07:05 GMT
last-modified: Thu, 30 Oct 2025 14:39:26 GMT

Content Headers

Content-Type

Content

text/html

content-type: text/html

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: _cfuvid=QcCwDJ3X4GKF.tl3h1qL34y0Zai8uteFBTZpUBs64L4-1771571225920-0.0.1.1-604800000; path=/; domain=.highcharts.com; HttpOnly; Secure; SameSite=None

Other Headers

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

9d0c2a41daf30610-IAD

Date

Other

Fri, 20 Feb 2026 07:07:05 GMT

X-Amz-Id-2

Other

fGO/zWU6S66ShK3MBzSl/wZEIg0zyGWmQ1FSM9DUJx/k7Nm2Fso/fFD2tPHkZnlJFSC6U3I8Qcs=

X-Amz-Request-Id

Other

YRXMZ4WR04EV140F

X-Amz-Version-Id

Other

kbNtFXZGEcMloZS.qCxl_BuKJ.jDi.ko

cf-cache-status: HIT
cf-ray: 9d0c2a41daf30610-IAD
date: Fri, 20 Feb 2026 07:07:05 GMT
x-amz-id-2: fGO/zWU6S66ShK3MBzSl/wZEIg0zyGWmQ1FSM9DUJx/k7Nm2Fso/fFD2tPHkZnlJFSC6U3I8Qcs=
x-amz-request-id: YRXMZ4WR04EV140F
x-amz-version-id: kbNtFXZGEcMloZS.qCxl_BuKJ.jDi.ko

Recommendations

Enable compression (gzip/brotli) to improve performance