What powers grandau.at?
Last seen Oct 2026 · 19 technologies across 12 categories
Advertising
CDN
CMS
Cookie compliance
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
Performance
Programming languages
Web servers
Webmail
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 found
- ai.txt not found
- Sep 2026 llms.txt appeared
- Sep 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 85% phone
- 15% desktop
Switzerland
Germany
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.08 / 10 · ranked #3,384,603 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 1.5 MB · 66 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Industry: Travel and hospitality (declares
Hotel)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Hetzner (195.201.2.44)
- DNS: a1.net
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 31,664,697, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| booking.grandau.at | 11 |
| www.grandau.at | 11 |
Full technology history →
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Recent changes
- dropped Plesk Aug 2026
- dropped Elastic APM Jul 2026
- dropped Elasticsearch Jul 2026
- dropped Google Tag Manager Apr 2026