What powers nw-ref.ch?
Last seen Sep 2026 · 19 technologies across 11 categories
Analytics
CDN
CMS
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
Programming languages
UI frameworks
Web servers
Webmail
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Open Page Rank
3.26 / 10 · ranked #1,185,602 of all domains
24 referring domains · OpenPageRank
Page
- Language: German
- CDN: Cloudflare
- Weight: 2.1 MB · 48 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.23.230, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 950,559, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Browser Insights Sep 2026
- detected HTTP/3 Sep 2026