HTTP Headers Analysis for https://antonsattler.com

Detected Technologies from Headers

See all in URL Inspect 13

PayPal

AWS

AWS CloudFront

Amazon S3

Braintree

Cloudflare CDN

Google Analytics

Google DoubleClick

Google Static File Front End

Google Tag Manager

LaunchDarkly

Sentry

Google Cloud

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Basic

frame-ancestors; frame-src; script-src; +1 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

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
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• 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

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

accept-encoding, Origin

connection: close
transfer-encoding: chunked
vary: accept-encoding, Origin

Caching Headers

Age

Caching

21

Cache-Control

Caching

max-age=900, stale-while-revalidate=3600

Last-Modified

Caching

Fri, 13 Feb 2026 16:22:51 GMT

age: 21
cache-control: max-age=900, stale-while-revalidate=3600
last-modified: Fri, 13 Feb 2026 16:22:51 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

No cookies headers found

Other Headers

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9d214b0afed67fe1-IAD

Date

Other

Sun, 22 Feb 2026 20:39:29 GMT

Via

Other

1.1 3209651712d035f1881913d3ca2a2dbc.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

_nqQ7boYKfA-YICDgqJEvhlzFS1cIfFx06SI1LQwVp2mFd5lwvj22Q==

X-Amz-Cf-Pop

Other

JFK52-P10

X-Amz-Server-Side-Encryption

Other

AES256

X-Cache

Other

Error from cloudfront

cf-cache-status: DYNAMIC
cf-ray: 9d214b0afed67fe1-IAD
date: Sun, 22 Feb 2026 20:39:29 GMT
via: 1.1 3209651712d035f1881913d3ca2a2dbc.cloudfront.net (CloudFront)
x-amz-cf-id: _nqQ7boYKfA-YICDgqJEvhlzFS1cIfFx06SI1LQwVp2mFd5lwvj22Q==
x-amz-cf-pop: JFK52-P10
x-amz-server-side-encryption: AES256
x-cache: Error from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance