freecad.org
FreeCAD: Your own 3D parametric modeler
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
FreeCAD, the open source 3D parametric modeler. This website uses Nginx hosted on DigitalOcean. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.
FreeCAD, the open source 3D parametric modeler
- United States
- Hosted on DigitalOcean
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
470 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
FreeCAD, the open source 3D parametric modeler
Contact
Email, phone, and address published on this site's own pages.
- fpa@freecad.org
Meta tags
- Title
- FreeCAD: Your own 3D parametric modeler
- Description
- FreeCAD, the open source 3D parametric modeler
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width = device-width, initial-scale = 1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- DigitalOcean
- CDN provider
- —
- IP address
- 104.248.36.231
- ASN
- AS14061 (DIGITALOCEAN-ASN - DigitalOcean, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- freecad.org
- Valid from
- May 29, 2026
- Valid to
- Aug 27, 2026
- Days until expiry
- 31
- SAN domains
- freecad.org, www.freecad.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 2 · H2 5 · H3 8
Links
42 internal · 33 external · 0 broken
Images
56 total · 0 missing alt
Scripts / Styles
4 scripts · 2 stylesheets
JS / CSS size
89.6 KB · 235 KB
Page size
44.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://freecad.org
- Final URL
- https://www.freecad.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 470 ms
- HTML size
- 44.1 KB
- Redirect chain
- https://freecad.org → http://www.freecad.org/ → https://www.freecad.org/
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Frequently asked questions
- What technology does freecad.org use?
- freecad.org is built with Nginx.
- Is freecad.org secure (HTTPS)?
- Yes. freecad.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 27, 2026.
- Who hosts freecad.org?
- freecad.org is hosted on DigitalOcean.
- What is freecad.org's SEO score?
- freecad.org scored 75/100 for SEO in the latest analysis (fair).
- What is freecad.org's overall website score?
- freecad.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card