HTTP Headers Analysis for https://api.perplexity.ai

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

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

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• 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

connection: close

Caching Headers

Age

Caching

54

Cache-Control

Caching

public, max-age=300

Expires

Caching

Fri, 05 Jun 2026 08:54:52 GMT

age: 54
cache-control: public, max-age=300
expires: Fri, 05 Jun 2026 08:54:52 GMT

Content Headers

Content-Length

Content

0

Content-Type

Content

text/plain; charset=utf-8

content-length: 0
content-type: text/plain; charset=utf-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=Z.0255GPMiGhcmJ9eh5NIz11krnQgZ_gV39OjRro5Hw-1780649392.3567255-1.0.1.1-nDE1FHQ6HWyX09MmFmGRIC_TzfxaRi_55P2MoBiO_nhMHKoy53E7yrwpx4BEFlnCdg7LXkb0nG4zDQYjp66ZfmwbP4QAAiuYOKhaYbbqY_aYOaH26sTsc_Q30ClA.7dK; HttpOnly; SameSite=None; Secure; Path=/; Domain=perplexity.ai; Expires=Fri, 05 Jun 2026 09:19:52 GMT

Other Headers

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

a06ded2e3cd1efbc-IAD

Date

Other

Fri, 05 Jun 2026 08:49:52 GMT

Server-Timing

Other

cfCacheStatus;desc="HIT", cfEdge;dur=5,cfOrigin;dur=0

cf-cache-status: HIT
cf-ray: a06ded2e3cd1efbc-IAD
date: Fri, 05 Jun 2026 08:49:52 GMT
server-timing: cfCacheStatus;desc="HIT", cfEdge;dur=5,cfOrigin;dur=0

Recommendations

Enable compression (gzip/brotli) to improve performance