contao.org
Contao Open Source CMS
Last scanned Aug 24, 2026, 1:22 PM
Overall score
Excellent
Summary
Contao ist ein leistungsstarkes, barrierefreies Open Source CMS, mit dem du professionelle Webseiten und skalierbare Webanwendungen erstellen kannst. This website uses Nginx hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100).
Contao ist ein leistungsstarkes, barrierefreies Open Source CMS, mit dem du professionelle Webseiten und skalierbare Webanwendungen erstellen kannst.
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
1 issue found
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
0 issue(s) found
Performance
408 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contao ist ein leistungsstarkes, barrierefreies Open Source CMS, mit dem du professionelle Webseiten und skalierbare Webanwendungen erstellen kannst.
Contact
Email, phone, and address published on this site's own pages.
Source: https://contao.org/de/support
Meta tags
- Title
- Contao Open Source CMS
- Description
- Contao ist ein leistungsstarkes, barrierefreies Open Source CMS, mit dem du professionelle Webseiten und skalierbare Webanwendungen erstellen kannst.
- Canonical
- https://contao.org/de/
- Language
- de
- Charset
- UTF-8
- Viewport
- width=device-width,initial-scale=1.0,shrink-to-fit=no
- Robots meta
- index,follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- HETZNER-AS - Hetzner Online GmbH, DE
- CDN provider
- —
- IP address
- 78.47.166.73
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- contao.org
- Valid from
- Aug 23, 2026
- Valid to
- Nov 21, 2026
- Days until expiry
- 88
- SAN domains
- contao.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 8 · H3 19
Links
32 internal · 31 external · 1 broken
Images
10 total · 0 missing alt
Scripts / Styles
8 scripts · 2 stylesheets
JS / CSS size
167 KB · 68.2 KB
Page size
110 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Found
- URLs in sitemap
- 4475
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://contao.org
- Final URL
- https://contao.org/de/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 406 ms
- HTML size
- 110 KB
- Redirect chain
- https://contao.org → https://contao.org/de/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does contao.org use?
- contao.org is built with jQuery, Nginx.
- Is contao.org secure (HTTPS)?
- Yes. contao.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 21, 2026.
- Who hosts contao.org?
- contao.org is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is contao.org's SEO score?
- contao.org scored 100/100 for SEO in the latest analysis (excellent).
- What is contao.org's overall website score?
- contao.org has an overall SiteGraph score of 100/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card