What powers zdhc.org?
Last seen Aug 2026 · 11 technologies across 10 categories
Analytics
Matomo Analytics
since Dec 2025
CMS
TYPO3 CMS
since Sep 2025
Documentation
Zendesk
since Sep 2025
Google Workspace
since Sep 2025
JavaScript graphics
Chart.js
since Sep 2025
JavaScript libraries
Marketing automation
MailChimp
since Sep 2025
Miscellaneous
Programming languages
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 80% desktop
- 20% phone
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.07 / 10 · ranked #1,467,716 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 12.5 MB · 28 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on INTERNET_AG Frankfurt-Munich-Stuttgart-Amsterdam-London (195.34.186.51)
- DNS: whois.com
- Email: Google Workspace
- Email security: SPF, DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 10,344,855, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted