What powers 
viennabiocenter.org?
Last seen Aug 2026 · 11 technologies across 8 categories
CMS
TYPO3 CMS
since Jan 2019
Miscellaneous
Performance
Programming languages
PHP
since Jan 2019
Security
HSTS
since Sep 2022
Video players
YouTube
since Oct 2019
Web servers
Apache HTTP Server
since Jan 2019
Widgets
AddThis
since Jan 2019
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
- 53% desktop
- 47% phone
Austria
India
Italy
Germany
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.17 / 10 · ranked #470,033 of all domains
104 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 10.4 MB · 96 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Vienna BioCenter
- Country: Austria
From Wikidata (CC0).
Infrastructure
- Hosted on INTERNEX-AS (5.132.161.194)
- DNS: oeaw.ac.at
- Email: Cisco Secure Email
- Email security: SPF (hard fail), DMARC monitor only, CAA
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 1,061,836, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.viennabiocenter.org | 10 |
| viennabiocenter.org | 5 |