HTTP Headers Analysis for https://app.masterplan.com

Detected Technologies from Headers

See all in URL Inspect 23

Akamai Active incidents

AWS

Amazon S3

BootstrapCDN

Cloudflare CDN

Cloudflare Stream

Cloudinary

Google Analytics

Google DoubleClick

Google Fonts

Google Tag Manager

Google Translate

Knock

LogRocket

Matomo

Mixpanel

OpenAI Active incidents

Plausible Analytics

PostHog

Sentry

Wistia

Zendesk

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=15552000; includeSubDomains; preload

Content-Security-Policy

Good

default-src; connect-src; font-src; +9 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

sameorigin

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Strengthen CSP by removing 'unsafe-eval'
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

connection: close
transfer-encoding: chunked

Caching Headers

Last-Modified

Caching

Thu, 23 Apr 2026 14:48:06 GMT

last-modified: Thu, 23 Apr 2026 14:48:06 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

9f572e8acbe91b96-DUB

Date

Other

Sat, 02 May 2026 12:55:42 GMT

X-Amz-Id-2

Other

PKSeHXK+4n5AbXuP4hpfI7Jvjo+jjgMrBMqNv2//ZvJhVtyGe988OofU9PjTdFINdDref3M+bGw=

X-Amz-Request-Id

Other

5T4TEM5EDGMZCGAZ

X-Amz-Version-Id

Other

s9FvZ0MJrdCtSxPd8ra9YqbgJKy4qSV0

cf-cache-status: DYNAMIC
cf-ray: 9f572e8acbe91b96-DUB
date: Sat, 02 May 2026 12:55:42 GMT
x-amz-id-2: PKSeHXK+4n5AbXuP4hpfI7Jvjo+jjgMrBMqNv2//ZvJhVtyGe988OofU9PjTdFINdDref3M+bGw=
x-amz-request-id: 5T4TEM5EDGMZCGAZ
x-amz-version-id: s9FvZ0MJrdCtSxPd8ra9YqbgJKy4qSV0

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching