What powers 
zvhc.org?
Last seen Aug 2026 · 39 technologies across 21 categories
Accessibility
Analytics
Cart abandonment
CDN
CMS
Databases
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Web frameworks
Webmail
WordPress plugins
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 71% phone
- 29% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.50 / 10 · ranked #890,333 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Cloudflare
- Weight: 1.5 MB · 13 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Zumbro Valley Health Center
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.4.250, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 7,962,185, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zvhc.org | 34 |
| zvhc.org | 28 |
| app.zvhc.org | 10 |
Full technology history →
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Recent changes
- detected RankMath SEO May 2026
- detected Cloudflare Bot Management Apr 2026
- detected Cloudflare Browser Insights Nov 2025