What powers holtarium.at?
Last seen Aug 2026 · 10 technologies across 8 categories
CMS
Strato Website
since Jun 2026
Font scripts
Font Awesome
since Jun 2026
Hosting
World4You
since Jun 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Jun 2026
Photo galleries
PhotoSwipe
since Jun 2026
Web servers
Apache HTTP Server
since Jun 2026
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
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.92 / 10 · ranked #14,232,578 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 100 ms |
| CLS | 0.85 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on IONOS (81.19.159.21)
- Email: holtarium.at
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, wildcard, expires Dec 2026
- Common Crawl link graph: rank 33,643,761, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted