What powers 
retzer-land.at?
Last seen Aug 2026 · 15 technologies across 9 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
Matomo Analytics
since Jul 2021
Cookie compliance
JavaScript libraries
Maps
Leaflet
since Dec 2025
Mapbox GL JS
since Dec 2025
Mapbox.js
since Dec 2025
MapLibre GL JS
since Dec 2025
Miscellaneous
Open Graph
since Sep 2022
Security
HSTS
since Sep 2022
Video players
Plyr
since Jul 2022
Web servers
Apache HTTP Server
since Jul 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 84% phone
- 11% desktop
- 4% tablet
Austria
Germany
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #343,220 of all domains
94 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Hetzner (128.140.31.126, IPv6)
- DNS: ns14.net
- Email: crn.at
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,222,595, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Leaflet Dec 2025
- detected Mapbox GL JS Dec 2025
- detected Mapbox.js Dec 2025
- detected MapLibre GL JS Dec 2025