What powers gastro.zuerich?
Last seen Aug 2026 · 21 technologies across 16 categories
Analytics
Development
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Rich text editors
Web frameworks
Web servers
Webmail
AI Crawlers
Blocks 12 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- meta-externalagent Blocked
- Webzio-Extended Blocked
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
- YouBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Perplexity-User Allowed
The other 16 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
12 of 33 AI crawlers blocked
Audience
- 50% desktop
- 50% phone
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.37 / 10 · ranked #1,039,377 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German (Switzerland)
- Weight: 1.7 MB · 72 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Gastro Kanton Zürich (Gastro Canton of Zurich on Wikidata)
- Founded: 1889
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on EXOSCALE (194.182.160.56, IPv6)
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 12,586,532, 12 hosts
- Verified with: Brevo, Google, LinkedIn
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| gastro.zuerich | 12 |
| mygzb.gastro.zuerich | 12 |
| stadt.gastro.zuerich | 11 |
Full technology history →
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