What powers wirth-federn.de?
Last seen Oct 2026 · 39 technologies across 18 categories
Analytics
Caching
CDN
CMS
Databases
Ecommerce
Font scripts
Hosting panels
JavaScript frameworks
JavaScript libraries
Miscellaneous
Payment processors
Performance
Programming languages
Tag managers
Web frameworks
Webmail
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 Oct 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 68% phone
- 32% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.76 / 10 · ranked #4,584,389 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.9 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 3000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 3.0 MB · 27 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Wirth Federn - Olaf E. Wirth
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Hetzner (128.140.34.92)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 16,130,940, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- detected Backdrop Oct 2026
- detected Cart Functionality Oct 2026
- detected Flask Oct 2026
- detected Google Font API Oct 2026
- detected Less Oct 2026
- detected Odoo Oct 2026
- detected Open Graph Oct 2026
- detected Popper Oct 2026
- detected PostgreSQL Oct 2026
- detected Python Oct 2026
- dropped WooCommerce PayPal Payments Oct 2026
- detected Google Analytics Jul 2026
- detected PayPal May 2026
- detected WooCommerce PayPal Payments May 2026
- dropped Nginx Dec 2025
- dropped OVHcloud Dec 2025