What powers lernwolke.ch?
Last seen Jun 2026 · 23 technologies across 14 categories
Analytics
Matomo Analytics
since Nov 2022
CMS
Amazon SES
since Mar 2026
Mailgun
since Nov 2022
Issue trackers
Help Scout
since Nov 2022
JavaScript frameworks
React
since Sep 2025
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Mar 2026
Performance
Priority Hints
since Nov 2022
Programming languages
PHP
since Nov 2022
Security
HSTS
since Nov 2022
UI frameworks
Animate.css
since Nov 2022
Web servers
Nginx
since May 2020
Widgets
AI Crawlers
robots.txt could not be read at the last check (Aug 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% desktop
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.79 / 10 · ranked #4,432,235 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on CYON (149.126.4.35)
- DNS: cyon.ch
- Email: lernwolke.ch
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- Common Crawl link graph: rank 31,314,462, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.lernwolke.ch | 14 |
| schule.lernwolke.ch | 12 |