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

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=15552000; includeSubDomains; preload

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Significantly strengthen CSP directives
• 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

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

Caching Headers

Age

Caching

77058

Last-Modified

Caching

Thu, 30 Apr 2026 13:44:37 GMT

age: 77058
last-modified: Thu, 30 Apr 2026 13:44:37 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

Set-Cookie

Cookies

set-cookie: _cfuvid=hq4KTZi4td0S7.QOuoIhYICC0iWS0efDCLMqqjpo7n8-1777633678.6510618-1.0.1.1-69kHq45sYW2dEOADbzzjg2fkJ9zqeg2TttoPbsz.oIc; HttpOnly; SameSite=None; Secure; Path=/; Domain=masterplan.com

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f4e535b8f2b6f6c-CDG

Date

Other

Fri, 01 May 2026 11:07:58 GMT

O2o-Cache-Status

Other

HIT

Surrogate-Control

Other

max-age=2147483647

Surrogate-Key

Other

masterplan.com 626bd4780b751cd1610d4d3e pageId:65959df7795327a850738def

X-Lambda-Id

Other

bd35af00-6639-49c8-8550-196eb5fbb8d5

X-Wf-Region

Other

us-east-1

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f4e535b8f2b6f6c-CDG
date: Fri, 01 May 2026 11:07:58 GMT
o2o-cache-status: HIT
surrogate-control: max-age=2147483647
surrogate-key: masterplan.com 626bd4780b751cd1610d4d3e pageId:65959df7795327a850738def
x-lambda-id: bd35af00-6639-49c8-8550-196eb5fbb8d5
x-wf-region: us-east-1

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching