HTTP Headers Analysis for https://developers.appnext.com

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24 Headers

Detected Technologies from Headers

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Cloudflare CDN

Render

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

Deny

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
• Add Content-Security-Policy header to prevent XSS attacks
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

connection: close
transfer-encoding: chunked
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

s-maxage=1800, stale-if-error=900

cache-control: s-maxage=1800, stale-if-error=900

Content Headers

Content-Language

Content

Content-Type

Content

text/html; charset=utf-8

content-language: en
content-type: text/html; charset=utf-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

set-cookie: __cf_bm=OiRUTUQyKoGsprt7EoJ6NUrOmx5LhjXsDPQ7oxi94cg-1787494507.4774747-1.0.1.1-ioFx2._oJhCC_eFB8jQcnBxZbuyZUmQFs8pkJClQOlZJeC8ZWqLF3_zwRh7gDMBeO.rcevsC.SdmrjH.wCgFckY4u3kbKAly_pMa6YfvDaJJPJqg35tnhzUTsvcfqBDD; HttpOnly; SameSite=None; Secure; Path=/; Domain=developers.appnext.com; Expires=Sun, 23 Aug 2026 14:45:07 GMT

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

EXPIRED

Cf-Ray

Other

a2faba3fba0a05ab-IAD

Date

Other

Sun, 23 Aug 2026 14:15:07 GMT

Link

Other

URL https://developers.appnext.com/.well-known/api-catalog

rel=api-catalog

URL https://developers.appnext.com

rel=service-doc

URL https://developers.appnext.com/.well-known/agent-skills/index.json

rel=agent-skills

URL https://cdn.readme.io

rel=preconnect

Rndr-Id

Other

7e02eb16-afd2-4eeb

X-Dns-Prefetch-Control

Other

off

X-Download-Options

Other

noopen

X-Ratelimit-Limit

Other

100

X-Ratelimit-Remaining

Other

X-Ratelimit-Reset

Other

1787494509

X-Render-Origin-Server

Other

Render

alt-svc: h3=":443"; ma=86400
cf-cache-status: EXPIRED
cf-ray: a2faba3fba0a05ab-IAD
date: Sun, 23 Aug 2026 14:15:07 GMT
link: <https://developers.appnext.com/.well-known/api-catalog>; rel="api-catalog", <https://developers.appnext.com>; rel="service-doc", <https://developers.appnext.com/.well-known/agent-skills/index.json>; rel="agent-skills", <https://cdn.readme.io>; rel=preconnect, <https://cdn.readme.io>; rel=dns-prefetch, <https://cdn.readme.io/public/hub/web/main.dbe5fcbcbb242dfd0fc0.css>; rel=preload; as=style, <https://cdn.readme.io/public/hub/web/ui-styles.9f5fee16ade5a6a063c9.css>; rel=preload; as=style, <https://cdn.readme.io/public/hub/web/Header.c798c86bbf0c93e8cf11.css>; rel=preload; as=style, <https://cdn.readme.io/public/hub/web/index.1ba4942fcc86fa96de70.css>; rel=preload; as=style, <https://cdn.readme.io/public/hub/web/routes-Landing.c957a572aecf07bb2398.css>; rel=preload; as=style, <https://cdn.readme.io/public/hub/web/2985.15233044df8d0dbaba22.css>; rel=preload; as=style, <https://cdn.readme.io/public/hub/web/RDMD.159422ed8463cae8cb3f.css>; rel=preload; as=style, <https://cdn.readme.io/public/hub/web/Footer.769aa3e9fc194cc963d9.css>; rel=preload; as=style
rndr-id: 7e02eb16-afd2-4eeb
x-dns-prefetch-control: off
x-download-options: noopen
x-ratelimit-limit: 100
x-ratelimit-remaining: 99
x-ratelimit-reset: 1787494509
x-render-origin-server: Render

Recommendations

Enable compression (gzip/brotli) to improve performance