What powers 
bbzg.ch?
Last seen Oct 2026 · 34 technologies across 18 categories
Analytics
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
LMS
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
SEO
UI frameworks
Video players
Web servers
WordPress plugins
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 Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
- Oct 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Audience
- 50% desktop
- 50% phone
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.50 / 10 · ranked #897,315 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0.25 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: German
- Weight: 5.2 MB · 104 requests
- WordPress theme: ulrichdigital_block_theme · all themes
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Berufsbildungszentrum Goldau
- Profiles: Instagram
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on AS-SOFTPLUS Datasource AG (185.85.109.33, IPv6)
- DNS: srzi.ch
- Email: srzi.ch
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 15,866,063, 4 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| bbzg.ch | 19 |
| www.bbzg.ch | 12 |
| moodle.bbzg.ch | 9 |
| stud.bbzg.ch | 4 |
Full technology history →
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Recent changes
- dropped OpenResty Jun 2026
- detected OpenResty Apr 2026
- dropped Issuu Mar 2026
- detected Issuu Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025