HTTP Headers Analysis for https://data.iana.org

Detected Technologies from Headers

See all in URL Inspect 6

Cloudflare CDN

Google API JS Client

Google Search

Google Static File Front End

YouTube

Google Cloud

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=48211200; preload

Content-Security-Policy

Basic

upgrade-insecure-requests; default-src; script-src; +3 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Present

nosniff, nosniff

Referrer-Policy

Present

same-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• 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

Age

Caching

1593

Cache-Control

Caching

public, max-age=3600

Expires

Caching

Mon, 31 Aug 2026 20:20:04 GMT

Last-Modified

Caching

Mon, 31 Aug 2026 18:06:20 GMT

age: 1593
cache-control: public, max-age=3600
expires: Mon, 31 Aug 2026 20:20:04 GMT
last-modified: Mon, 31 Aug 2026 18:06:20 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

No cookies headers found

Other Headers

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

a33e9f6478e5f3a3-IAD

Date

Other

Mon, 31 Aug 2026 20:00:39 GMT

cf-cache-status: HIT
cf-ray: a33e9f6478e5f3a3-IAD
date: Mon, 31 Aug 2026 20:00:39 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance