HTTP Headers Analysis for https://injectprompt.com

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare CDN

Substack Active incidents

Express

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Weak

frame-ancestors 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

• Significantly strengthen CSP directives
• 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

Accept-Encoding

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

Caching Headers

Age

Caching

299

Cache-Control

Caching

no-cache

age: 299
cache-control: no-cache

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

X-Powered-By

Server

Express

server: cloudflare
x-powered-by: Express

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: ab_experiment_sampled=%22false%22; Max-Age=31536000; Domain=www.injectprompt.com; Path=/; Expires=Thu, 06 May 2027 02:43:46 GMT; HttpOnly; Secure; SameSite=Lax
ab_testing_id=%220cfc81c4-c099-4163-aa24-e271d08a356f%22; Max-Age=31536000; Domain=www.injectprompt.com; Path=/; Expires=Thu, 06 May 2027 02:43:46 GMT; HttpOnly; Secure; SameSite=Lax
__cf_bm=zZStAvfxkxLTWERdTJKTWgWnt5We7QGzOFqIPxoDh50-1778035426.371602-1.0.1.1-yvkVgO8Fp68R9UuHi6LKc2DS4.Pa13Suwezs33dMl7_pYmaWYuRyXtn550uqaHiU1ZAomSVeCTAFEXY6BotFYVuZ5qTiVU066Ser_QfGnAHRezPbJ14oM3M4hq3vwbdx; HttpOnly; Secure; Path=/; Domain=www.injectprompt.com; Expires=Wed, 06 May 2026 03:13:46 GMT

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

9f74a3a6dfb28bda-IAD

Date

Other

Wed, 06 May 2026 02:43:46 GMT

Link

Other

URL

https://substackcdn.com

rel=preconnect

Server-Timing

Other

cfCacheStatus;desc="HIT", cfEdge;dur=3,cfOrigin;dur=0,cfWorker;dur=20

X-Cluster

Other

substack

X-Deploy

Other

251e0bbb29

X-Served-By

Other

Substack

X-Service

Other

web

X-Sub

Other

injectprompt

alt-svc: h3=":443"; ma=86400
cf-cache-status: HIT
cf-ray: 9f74a3a6dfb28bda-IAD
date: Wed, 06 May 2026 02:43:46 GMT
link: <https://substackcdn.com>; rel=preconnect
server-timing: cfCacheStatus;desc="HIT", cfEdge;dur=3,cfOrigin;dur=0,cfWorker;dur=20
x-cluster: substack
x-deploy: 251e0bbb29
x-served-by: Substack
x-service: web
x-sub: injectprompt

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology