What powers wilhelm-koehler-verlag.de?
Last seen Sep 2026 · 9 technologies across 7 categories
CMS
Databases
Miscellaneous
Page builders
Performance
Programming languages
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 found
- ai.txt not found
Content Signals:
search=yes ai-train=no ai-input=yes declared in robots.txt
AI Crawlers
No AI crawlers blocked
Standards: Content Signals
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.20 / 10 · ranked #3,093,709 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.2 MB · 23 requests
- WordPress theme: bricks (child: wkv-bricks) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Wilhelm Köhler Verlag
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on BKVG-AS (31.170.109.123)
- DNS: virtualhosts.de
- Email: wilhelm-koehler-verlag.de
- Email security: no SPF record, DMARC quarantine
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 1,605,811, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped cdnjs Sep 2026
- dropped Cloudflare Sep 2026
- dropped Osano Sep 2026
- detected Bricks Aug 2026
- detected MySQL Aug 2026
- detected Open Graph Aug 2026
- detected Priority Hints Aug 2026
- detected RSS Aug 2026
- detected WordPress Aug 2026
- detected WordPress Block Editor Aug 2026