Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.16.31.32 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.16.31.32
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://circle.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.circle.com/ | 200 | HTTP/2 200 |
#1 URL https://circle.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.circle.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 12.6 ms |
| TCP Connect | 14.5 ms |
| TLS Handshake | 11 ms |
| Time To First Byte (TTFB) | 203.7 ms |
| Content Download | 4 ms |
| Total Response Time | 207.7 ms |
DNS Lookup 12.6 ms
TCP Connect 14.5 ms
TLS Handshake 11 ms
Time To First Byte (TTFB) 203.7 ms
Content Download 4 ms
Total Response Time 207.7 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ✔ Configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Circle | The full-stack platform for the internet financial system |
Title Circle | The full-stack platform for the internet financial system
Detected Technologies
| Technology | Google Analytics Cloudflare HubSpot |
Technology Google Analytics Cloudflare HubSpot
HTTP Headers
| Date
| Thu, 20 Aug 2026 14:57:00 GMT |
| Content-type
| text/html; charset=utf-8 |
| X-wf-page-id
| Z/EdJPM94AsCHcBI |
| X-wf-region
| us-east-1 |
| Set-cookie
| __cf_bm=2DQjj_y0Jyx9of6KrfoKfs97zFvk3iVZF0eOmmhLJaA-1787237820.8018057-1.0.1.1-s_QBEEP0ff7ZiyrcoPoUSeEZ0NDq4pK18F2f4Nqz6t9rgeChyu1W_A9qfP_raA0U9yV0NIDTzgd5CSNQRrK6CDlIGwIlom5xe.M2udTiNR6Pb4eX0uJNzzTdvUvI1IcQ; HttpOnly; SameSite=None; Secure; Path=/; Domain=circle.com; Expires=Thu, 20 Aug 2026 15:27:00 GMT |
| Cf-cache-status
| EXPIRED |
| Last-modified
| Thu, 20 Aug 2026 14:57:00 GMT |
| Link
| ; rel=preconnect; crossorigin, ; rel=preload; as=style; crossorigin; integrity="sha384-L/MtzsqKi1/rG22pHuF75aRv6c/PMeMrzjVDluTPv9y8aVGr4MfG2N4z6Cwve8jS", ; rel=preconnect, ; rel=preconnect; crossorigin, ; rel=preconnect; crossorigin, ; rel=preconnect |
| Server
| cloudflare |
| Vary
| accept-encoding |
| Content-security-policy
| frame-ancestors 'self' |
| O2o-cache-status
| HIT |
| Surrogate-control
| max-age=432000 |
| Surrogate-key
| www.circle.com 67116d0daddc92483c812e88 pageId:67f11d24f33de00b021dc048 67fff59571021193ae69c2f3 67116d0daddc92483c813076 67116d0daddc92483c812fe9 |
| X-frame-options
| SAMEORIGIN |
| X-lambda-id
| 1fc591b4-a1d4-4201-8c8b-4296db1817de |
| Content-encoding
| gzip |
| Cf-ray
| a2e23f7c0aa8bb45-CDG |
Meta Tags
| Theme-color | #EDF1FC |
| Algolia-site-verification | 249C4CDDF8609127 |
Date Thu, 20 Aug 2026 14:57:00 GMT
Content-type text/html; charset=utf-8
X-wf-page-id Z/EdJPM94AsCHcBI
X-wf-region us-east-1
Set-cookie __cf_bm=2DQjj_y0Jyx9of6KrfoKfs97zFvk3iVZF0eOmmhLJaA-1787237820.8018057-1.0.1.1-s_QBEEP0ff7ZiyrcoPoUSeEZ0NDq4pK18F2f4Nqz6t9rgeChyu1W_A9qfP_raA0U9yV0NIDTzgd5CSNQRrK6CDlIGwIlom5xe.M2udTiNR6Pb4eX0uJNzzTdvUvI1IcQ; HttpOnly; SameSite=None; Secure; Path=/; Domain=circle.com; Expires=Thu, 20 Aug 2026 15:27:00 GMT
Cf-cache-status EXPIRED
Last-modified Thu, 20 Aug 2026 14:57:00 GMT
Link ; rel=preconnect; crossorigin, ; rel=preload; as=style; crossorigin; integrity="sha384-L/MtzsqKi1/rG22pHuF75aRv6c/PMeMrzjVDluTPv9y8aVGr4MfG2N4z6Cwve8jS", ; rel=preconnect, ; rel=preconnect; crossorigin, ; rel=preconnect; crossorigin, ; rel=preconnect
Server cloudflare
Vary accept-encoding
Content-security-policy frame-ancestors 'self'
O2o-cache-status HIT
Surrogate-control max-age=432000
Surrogate-key www.circle.com 67116d0daddc92483c812e88 pageId:67f11d24f33de00b021dc048 67fff59571021193ae69c2f3 67116d0daddc92483c813076 67116d0daddc92483c812fe9
X-frame-options SAMEORIGIN
X-lambda-id 1fc591b4-a1d4-4201-8c8b-4296db1817de
Content-encoding gzip
Cf-ray a2e23f7c0aa8bb45-CDG
