What powers vincentz.net?
Last seen Aug 2026 · 43 technologies across 26 categories
Advertising
Analytics
Appointment scheduling
Caching
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
Hosting panels
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Video players
Web servers
Webmail
WordPress plugins
AI Crawlers
Blocks 16 of 33 AI crawlers we track by name in its robots.txt, restricts 12 more. Checked Sep 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- img2dataset Blocked
- meta-externalagent Blocked
- PanguBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Restricted
- Applebot Restricted
- Claude-SearchBot Restricted
- DuckAssistBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
- YouBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- meta-externalfetcher Restricted
- MistralAI-User Restricted
- Perplexity-User Restricted
The other 5 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 found
- ai.txt not found
- Sep 2026 ccbot added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 claude-searchbot added to robots.txt
- Sep 2026 applebot added to robots.txt
- Sep 2026 claude-web added to robots.txt
- Sep 2026 claude-user added to robots.txt
AI Crawlers
16 of 33 AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.10 / 10 · ranked #503,537 of all domains
85 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 6.4 MB · 89 requests
- WordPress theme: avada (child: avada-child-theme) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Together WEVIN - Führender Fachverlag in Deutschland (Vincentz Network on Wikidata)
- Founded: 1893
- Country: Germany
- Profiles: Facebook
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on IP-PROJECTS (185.248.142.226)
- DNS: colt.net
- Email: retarus.com
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 131,252, 10 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vincentz.net | 29 |
| www.vincentz.net | 24 |
| shop.vincentz.net | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HTTP/3 Aug 2026
- detected Plesk Aug 2026
- detected Twitter Emoji (Twemoji) Dec 2025