What powers 
gutmann.de?
Last seen Aug 2026 · 50 technologies across 24 categories
Advertising
Analytics
CMS
Comment systems
Cookie compliance
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
Page builders
Performance
Programming languages
Rich text editors
Security
Tag managers
UI frameworks
Web servers
Webmail
Widgets
WordPress plugins
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 chatgpt-user removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
- Sep 2026 claude-web removed from robots.txt
- Sep 2026 cohere-ai removed from robots.txt
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 *: Blocked (was Restricted)
AI Crawlers
All crawlers blocked
Standards: llms.txt
Audience
- 66% desktop
- 34% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.55 / 10 · ranked #393,919 of all domains
70 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German (Germany)
- Weight: 18.7 MB · 195 requests
- WordPress theme: fse-modulbuero (child: fse-gutmann) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- GUTMANN – Ihr Partner für Aluminiumlösungen (Gutmann on Wikidata)
- Founded: 1937
- Country: Germany
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Hetzner (78.46.10.104)
- DNS: Hetzner
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 3072, wildcard, expires Mar 2027
- Common Crawl link graph: rank 9,377,136, 5 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| gutmann.de | 34 |
| www.gutmann.de | 18 |
| karriere.gutmann.de | 11 |
Full technology history →
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Recent changes
- dropped Nginx Aug 2026
- dropped OpenResty Aug 2026
- detected Matomo Analytics Apr 2026
- dropped Matomo Analytics Jan 2026
- detected Matomo Analytics Nov 2025