mathigon.org
Mathigon – The Mathematical Playground
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Excellent
Summary
Discover Mathigon, the Mathematical Playground. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100).
Mathigon
Discover Mathigon, the Mathematical Playground. Learning mathematics has never been so interactive and fun!
- United States
- Hosted on Cloudflare
Top issues to fix
2 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
SEO
0 issue(s) found
Performance
697 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Mathigon
Discover Mathigon, the Mathematical Playground. Learning mathematics has never been so interactive and fun!
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Mathigon – The Mathematical Playground
- Description
- Discover Mathigon, the Mathematical Playground. Learning mathematics has never been so interactive and fun!
- Canonical
- https://mathigon.org/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
- https://mathigon.org/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.26.3.173
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- mathigon.org
- Valid from
- Jul 20, 2026
- Valid to
- Oct 18, 2026
- Days until expiry
- 53
- SAN domains
- mathigon.org, *.mathigon.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 13 · H3 3
Links
27 internal · 69 external · 0 broken
Images
37 total · 0 missing alt
Scripts / Styles
10 scripts · 2 stylesheets
JS / CSS size
31.3 KB · 0 B
Page size
34.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 231
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://mathigon.org
- Final URL
- https://mathigon.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 697 ms
- HTML size
- 34.4 KB
- Redirect chain
- https://mathigon.org
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Frequently asked questions
- What technology does mathigon.org use?
- mathigon.org is built with Google Analytics, Cloudflare Analytics.
- Is mathigon.org secure (HTTPS)?
- Yes. mathigon.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 18, 2026.
- Who hosts mathigon.org?
- mathigon.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is mathigon.org's SEO score?
- mathigon.org scored 100/100 for SEO in the latest analysis (excellent).
- What is mathigon.org's overall website score?
- mathigon.org has an overall SiteGraph score of 98/100, combining SEO, performance, security, and accessibility.
- What company operates mathigon.org?
- mathigon.org is operated by Mathigon. Discover Mathigon, the Mathematical Playground. Learning mathematics has never been so interactive and fun!
OpenGraph & Twitter Card
OpenGraph
Twitter Card