What powers jobelmannschule.de?
Last seen Sep 2026 · 9 technologies across 6 categories
Analytics
Matomo Analytics
since Nov 2021
CMS
Contao
since Jul 2020
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Programming languages
PHP
since Apr 2019
Web servers
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 86% phone
- 14% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.01 / 10 · ranked #1,568,579 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 2.6 MB · 38 requests
- Structured data: JSON-LD, Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Jobelmann School
- Founded: 1831
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 10,352,212, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted