What powers zaek-hb.de?
Last seen Aug 2026 · 14 technologies across 10 categories
Comment systems
Hosting
GoDaddy
since Aug 2022
JavaScript graphics
Chart.js
since Jan 2025
JavaScript libraries
Maps
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Programming languages
PHP
since Jan 2019
Security
HSTS
since Jul 2025
Web servers
Nginx
since Dec 2021
Webmail
Microsoft 365
since Aug 2022
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
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 94% phone
- 6% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.41 / 10 · ranked #415,460 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 18.2 MB · 27 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (167.235.121.138, IPv6)
- DNS: Hetzner
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 3072, expires Oct 2026
- Common Crawl link graph: rank 11,341,150, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| portal.zaek-hb.de | 11 |
| zaek-hb.de | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Selectize Aug 2026