HTTP Headers Analysis for https://api.beehiiv.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare CDN

Heroku

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=63072000; includeSubDomains

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• 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

Origin

connection: close
transfer-encoding: chunked
vary: Origin

Caching Headers

No caching headers found

Content Headers

Content-Type

Content

text/html; charset=UTF-8

content-type: text/html; charset=UTF-8

Server Headers

Server

cloudflare

X-Runtime

Server

0.008810

server: cloudflare
x-runtime: 0.008810

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: heroku-session-affinity=Q38DAQERU3RpY2t5U2Vzc2lvbkRhdGEB/4AAAQMBBUFwcElEAQwAAQhEeW5vTmFtZQEMAAEJRHlub0NvdW50AQQAAAAN/4ACBndlYi4xMwFGADuQRvG9EzT5Zq2pKyVSmKrOlV1KpUgUWnCgda8/N2RF
__cf_bm=nCfTF2_sL4bO0V21wMhAXVdHftcjhMvvIHrk9o3Hazs-1777841654.106416-1.0.1.1-yE4HeQ33OZkS07w8RVrExMe5z.0UBRAnFj0CSvWayEs8cBxZ2WsRcRrlGnQ7H_9d6ou3qaurLWyXWLuNgw15XAR0b.c_4fn6FPAdZTCPLqxa7fHLO8GhrJTY1xXWzBQC; HttpOnly; Secure; Path=/; Domain=beehiiv.com; Expires=Sun, 03 May 2026 21:24:14 GMT

Other Headers

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f6228e2289e72ef-IAD

Date

Other

Sun, 03 May 2026 20:54:14 GMT

Nel

Other

Report-To Group heroku-nel max-age: 1h

success: 1.0% failure: 10.0%

Report-To

Other

Group heroku-nel max-age: 1h

Endpoint 1 https://nel.heroku.com/reports?s=MwqcaY69l8mMsFLiU9N2J%2BayCnMjepAupc%2F4SvyS%2FPc%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1777841654

Reporting-Endpoints

Other

heroku-nel="https://nel.heroku.com/reports?s=MwqcaY69l8mMsFLiU9N2J%2BayCnMjepAupc%2F4SvyS%2FPc%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1777841654"

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=6,cfOrigin;dur=14

Via

Other

2.0 heroku-router

X-Request-Id

Other

c46cdab2-3348-f0a3-d564-cf17b46ad3e9

cf-cache-status: DYNAMIC
cf-ray: 9f6228e2289e72ef-IAD
date: Sun, 03 May 2026 20:54:14 GMT
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=MwqcaY69l8mMsFLiU9N2J%2BayCnMjepAupc%2F4SvyS%2FPc%3D\u0026sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add\u0026ts=1777841654"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=MwqcaY69l8mMsFLiU9N2J%2BayCnMjepAupc%2F4SvyS%2FPc%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1777841654"
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=6,cfOrigin;dur=14
via: 2.0 heroku-router
x-request-id: c46cdab2-3348-f0a3-d564-cf17b46ad3e9

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching