What powers 
vhsktn.at?
Last seen Sep 2026 · 19 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Apr 2026
CDN
Cloudflare
since Apr 2026
Comment systems
Ecommerce
Cart Functionality
since Mar 2022
JavaScript frameworks
JavaScript libraries
SweetAlert2
since Oct 2024
Swiper
since Oct 2024
Maps
Miscellaneous
PWA
since Oct 2024
Programming languages
PHP
since Mar 2020
Security
HSTS
since Oct 2024
UI frameworks
Bootstrap
since Mar 2020
Web frameworks
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Microsoft 365
since Jul 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 87% phone
- 13% desktop
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.96 / 10 · ranked #600,620 of all domains
70 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- CDN: Cloudflare
- Weight: 8.9 MB · 84 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.26.2.20, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, CAA
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 8,528,514, 3 hosts
- Verified with: Brevo, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.vhsktn.at | 15 |
| kurse.vhsktn.at | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Apr 2026
- detected Cloudflare Browser Insights Apr 2026