HTTP Headers Analysis for https://circle.com

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Significantly strengthen CSP directives
• 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

465

Last-Modified

Caching

Wed, 06 May 2026 17:01:04 GMT

age: 465
last-modified: Wed, 06 May 2026 17:01:04 GMT

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=zW7uohE4IOZqZfs7y_nzW1VACdfMOU3SNSah8LBD9d4-1778087393.819169-1.0.1.1-LQ0ZIvLS2nq9Q3YH1jzj.BQo4JDB76g5RSvDJmicXbXc.2RtTRQSdJXk9xd8vD3xwKywWAWbv6JsZZmJnpyUwl6PhF2iRFHWPM.uTiH2ocYhczLQdzgEiuWON5_gsUrf; HttpOnly; Secure; Path=/; Domain=circle.com; Expires=Wed, 06 May 2026 17:39:53 GMT
_cfuvid=JZy_G0ofoF8ESaujQOzJwA1m2xXUEMIpZgkSZ_t82Zk-1778087393.819169-1.0.1.1-TxB1hvtg0capM_xIF54iqFbfnucXVk84XimLLwjW3Kg; HttpOnly; SameSite=None; Secure; Path=/; Domain=circle.com

Other Headers

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

9f7998635a635938-IAD

Date

Other

Wed, 06 May 2026 17:09:53 GMT

Surrogate-Control

Other

max-age=432000

Surrogate-Key

Other

www.circle.com 67116d0daddc92483c812e88 pageId:67f11d24f33de00b021dc048 67fff59571021193ae69c2f3 67116d0daddc92483c813076 67116d0daddc92483c812fe9

X-Available-Languages

Other

pt-br, es-la, fr-fr

X-Cluster-Name

Other

us-east-1-prod-hosting-red

X-Lambda-Id

Other

ea42e983-34d4-4431-b6eb-7ea4dad4fbc7

X-Wf-Page-Id

Other

Z/EdJPM94AsCHcBI

X-Wf-Region

Other

us-east-1

cf-cache-status: HIT
cf-ray: 9f7998635a635938-IAD
date: Wed, 06 May 2026 17:09:53 GMT
surrogate-control: max-age=432000
surrogate-key: www.circle.com 67116d0daddc92483c812e88 pageId:67f11d24f33de00b021dc048 67fff59571021193ae69c2f3 67116d0daddc92483c813076 67116d0daddc92483c812fe9
x-available-languages: pt-br, es-la, fr-fr
x-cluster-name: us-east-1-prod-hosting-red
x-lambda-id: ea42e983-34d4-4431-b6eb-7ea4dad4fbc7
x-wf-page-id: Z/EdJPM94AsCHcBI
x-wf-region: us-east-1

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching