What powers herzsicher.de?
Last seen Sep 2026 · 28 technologies across 19 categories
CMS
Databases
Documentation
Font scripts
Hosting panels
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Rich text editors
Security
UI frameworks
Web servers
Webmail
Widgets
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.22 / 10 · ranked #1,235,665 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 1.4 MB · 77 requests
- WordPress theme: impreza · all themes
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (144.76.83.15)
- DNS: udag.de
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 14,219,911, 5 hosts
- Verified with: Brevo, Google, Microsoft 365
DNS records as swept Aug 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| herzsicher.de | 21 |
| buchen.mein.herzsicher.de | 12 |
| bewertung.herzsicher.de | 7 |
| www.herzsicher.de | 6 |
Full technology history →
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Recent changes
- detected Microsoft 365 Apr 2026