What powers 
linuxday.at?
Last seen Oct 2026 · 6 technologies across 6 categories
CMS
JavaScript libraries
Miscellaneous
Programming languages
Security
Web servers
AI Crawlers
Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- Applebot Blocked
- Claude-SearchBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- PetalBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 20 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
13 of 33 AI crawlers blocked
Audience
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.17 / 10 · ranked #468,430 of all domains
65 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 0.4 MB · 39 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (94.130.186.68, IPv6)
- DNS: a1.net
- Email: lugv.at
- Email security: SPF (neutral), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 6,894,835, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- dropped Drupal Oct 2026