HTTP Headers Analysis for https://www.unpkg.com

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

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

• 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

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

Accept-Encoding

accept-ranges: bytes
connection: close
vary: Accept-Encoding

Caching Headers

Age

Caching

169

Cache-Control

Caching

public, max-age=14400

Expires

Caching

Sun, 03 May 2026 05:36:37 GMT

Last-Modified

Caching

Sun, 03 May 2026 01:33:47 GMT

age: 169
cache-control: public, max-age=14400
expires: Sun, 03 May 2026 05:36:37 GMT
last-modified: Sun, 03 May 2026 01:33:47 GMT

Content Headers

Content-Length

Content

23212

Content-Type

Content

text/html

content-length: 23212
content-type: text/html

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

9f5b892b3d3fd6bc-IAD

Date

Other

Sun, 03 May 2026 01:36:37 GMT

alt-svc: h3=":443"; ma=86400
cf-cache-status: HIT
cf-ray: 9f5b892b3d3fd6bc-IAD
date: Sun, 03 May 2026 01:36:37 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance