circle.so
Circle | A new era for digital businesses
Last scanned Aug 1, 2026, 7:00 PM · 8 views
Overall score
Great
Summary
Build a home for your community, events, and courses — all under your own brand. This website uses Next.js behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (90/100). Top issue: No H1 heading found.
Circle
Build a home for your community, events, and courses — all under your own brand.
Top issues to fix
7 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
88 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-3 overall since Jul 25, 2026
- Overall
- 85
- SEO
- 80
- Security
- 80
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Circle
Build a home for your community, events, and courses — all under your own brand.
Meta tags
- Title
- Circle | A new era for digital businesses
- Description
- Build a home for your community, events, and courses — all under your own brand.
- Canonical
- https://circle.so
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index,follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Sectigo Limited
- Subject
- *.circle.so
- Valid from
- Oct 14, 2025
- Valid to
- Nov 14, 2026
- Days until expiry
- 105
- SAN domains
- *.circle.so, circle.so
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 36
Links
39 internal · 11 external · 20 broken
Images
126 total · 11 missing alt
Scripts / Styles
77 scripts · 10 stylesheets
JS / CSS size
368 KB · 74.6 KB
Page size
810 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://circle.so
- Final URL
- https://circle.so
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 72 ms
- HTML size
- 810 KB
- Redirect chain
- https://circle.so
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does circle.so use?
- circle.so is built with Next.js, Google Analytics, Cloudflare Analytics, Meta Pixel.
- Is circle.so secure (HTTPS)?
- Yes. circle.so uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Nov 14, 2026.
- Who hosts circle.so?
- Hosting provider information for circle.so is not available yet.
- What is circle.so's SEO score?
- circle.so scored 80/100 for SEO in the latest analysis (great).
- What is circle.so's overall website score?
- circle.so has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
- What company operates circle.so?
- circle.so is operated by Circle. Build a home for your community, events, and courses — all under your own brand.
- Has circle.so's score changed over time?
- circle.so's overall score has declined by 3 points (from 88 to 85) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card