What powers
cdg.ac.at?
Last seen Aug 2026 · 2 technologies across 2 categories
Security
Webmail
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 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
1 of 33 AI crawlers blocked
Audience
- 53% desktop
- 47% phone
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.75 / 10 · ranked #278,527 of all domains
145 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 0.5 MB · 9 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Christian Doppler Research Association
- Founded: 2000
- Country: Austria
From Wikidata (CC0).
Infrastructure
- Hosted on LINK11 Link11 GmbH (128.65.210.223)
- DNS: link11.de
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 592,362, 3 hosts
- Verified with: Atlassian, Brevo, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Alpine.js May 2026
- dropped Apache HTTP Server May 2026
- dropped FancyBox May 2026
- dropped Glide.js May 2026
- dropped HSTS May 2026
- dropped jQuery May 2026
- dropped Open Graph May 2026
- dropped PHP May 2026
- dropped Tailwind CSS May 2026
- dropped TYPO3 CMS May 2026
- detected Alpine.js Mar 2026
- detected Apache HTTP Server Mar 2026
- detected FancyBox Mar 2026
- detected Glide.js Mar 2026
- detected HSTS Mar 2026
- detected jQuery Mar 2026
- detected Open Graph Mar 2026
- detected PHP Mar 2026
- detected Tailwind CSS Mar 2026
- detected TYPO3 CMS Mar 2026
- dropped Alpine.js Feb 2026
- dropped Apache HTTP Server Feb 2026
- dropped FancyBox Feb 2026
- dropped Glide.js Feb 2026
- dropped HSTS Feb 2026
- dropped jQuery Feb 2026
- dropped Open Graph Feb 2026
- dropped PHP Feb 2026
- dropped Tailwind CSS Feb 2026
- dropped TYPO3 CMS Feb 2026
- detected reCAPTCHA Jan 2026