What powers 
lernquadrat.at?
Last seen Oct 2026 · 17 technologies across 9 categories
Advertising
Analytics
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
UI frameworks
AI Crawlers
Restricts 9 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Restricted
- CCBot Restricted
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
Search and AI assistants
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Perplexity-User Restricted
The other 24 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
9 of 33 AI crawlers restricted
Standards: llms.txt
Audience
- 76% phone
- 24% desktop
Austria
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.62 / 10 · ranked #806,064 of all domains
75 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- CDN: Google
- Weight: 0.9 MB · 47 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- LernQuadrat
- Industry: Education (declares
EducationalOrganization) - Profiles: Facebook, Instagram, YouTube
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Google Cloud (34.91.255.29)
- DNS: a1.net
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 11,654,965, 7 hosts
- Verified with: Google, Meta Business, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.lernquadrat.at | 17 |
| jobs.lernquadrat.at | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Advertising Oct 2026
- detected Microsoft Clarity Oct 2026
- dropped Bootstrap Aug 2026
- detected Facebook Pixel Aug 2026
- detected Google Analytics Aug 2026
- detected Google Call Conversion Tracking Aug 2026
- dropped jQuery Aug 2026
- dropped Nginx Aug 2026
- dropped PHP Aug 2026
- dropped Popper Aug 2026
- dropped Swiper Aug 2026
- dropped TYPO3 CMS Aug 2026
- detected HTTP/3 Jul 2026
- detected Next.js Jul 2026
- detected Next.js App Router Jul 2026
- detected Node.js Jul 2026
- detected Priority Hints Jul 2026
- detected Radix UI Jul 2026
- detected React Jul 2026
- detected Tailwind CSS Jul 2026
- detected Webpack Jul 2026
- dropped Sentry May 2026