HTTP Headers Analysis for https://duocircle.com

Detected Technologies from Headers

See all in URL Inspect 17

Umami Analytics

Albacross

Cloudflare Turnstile

Cloudflare Web Analytics

Elfsight

Facebook

G2

Google AdSense

Google Analytics

Google Conversion Tracking

Google DoubleClick

Google Fonts

Google Tag Manager

Microsoft Clarity

Site24x7

Vercel

Zoho Mail

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63072000; includeSubDomains; preload

Content-Security-Policy

Good

default-src; script-src; style-src; +9 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Present

camera=(), microphone=(), geolocation=(); +1 more

Recommendations

• Strengthen CSP by removing 'unsafe-eval'

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

accept

accept-ranges: bytes
connection: close
vary: accept

Caching Headers

Age

Caching

31651

Cache-Control

Caching

public, max-age=0, must-revalidate, s-maxage=60

Etag

Caching

"6bf3582bd312d7ffde647d900ddb7eb3"

Last-Modified

Caching

Wed, 05 Aug 2026 20:40:22 GMT

age: 31651
cache-control: public, max-age=0, must-revalidate, s-maxage=60
etag: "6bf3582bd312d7ffde647d900ddb7eb3"
last-modified: Wed, 05 Aug 2026 20:40:22 GMT

Content Headers

Content-Disposition

Content

inline

Content-Length

Content

91219

Content-Type

Content

text/html; charset=utf-8

content-disposition: inline
content-length: 91219
content-type: text/html; charset=utf-8

Server Headers

Server

Vercel

server: Vercel

CORS Headers

Access-Control-Allow-Origin

Cors

*

access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Thu, 06 Aug 2026 05:27:53 GMT

Link

Other

URL /index.md

rel=alternate type=text/markdown

URL /.well-known/agent-skills/markdown-negotiation/SKILL.md

rel=service-doc

URL /llms.txt

rel=describedby

X-Vercel-Cache

Other

HIT

X-Vercel-Id

Other

iad1::w5r85-1785994073343-d70ae0e06fa3

date: Thu, 06 Aug 2026 05:27:53 GMT
link: </index.md>; rel="alternate"; type="text/markdown", </.well-known/agent-skills/markdown-negotiation/SKILL.md>; rel="service-doc", </llms.txt>; rel="describedby"
x-vercel-cache: HIT
x-vercel-id: iad1::w5r85-1785994073343-d70ae0e06fa3

Recommendations

Enable compression (gzip/brotli) to improve performance