What powers 
kral-buch.at?
Last seen Sep 2026 · 19 technologies across 10 categories
Analytics
CDN
Ecommerce
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
UI frameworks
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 80% phone
- 20% desktop
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.77 / 10 · ranked #728,521 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 11.0 MB · 100 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Bookshop Zweymüller
- Founded: 1864
- Sector: bookselling
- Country: Cisleithania
From Wikidata (CC0).
Infrastructure
- Hosted on I3B-AS (92.63.216.195)
- DNS: eurodns.com
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 11,276,750, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- detected Microsoft 365 Mar 2026
- dropped jQuery CDN Feb 2026