What powers 
ult.de?
Last seen Sep 2026 · 14 technologies across 9 categories
Advertising
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Security
Tag managers
Webmail
AI Crawlers
Blocks 7 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- AI2Bot Blocked
- Bytespider Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- GPTBot Blocked
- Webzio-Extended Blocked
- Applebot-Extended Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- meta-externalagent Allowed
Search and AI assistants
- PetalBot Blocked
- Applebot Allowed
- Claude-SearchBot Allowed
- DuckAssistBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- MistralAI-User Allowed
- Perplexity-User Allowed
The other 13 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
7 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 71% phone
- 29% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.16 / 10 · ranked #474,117 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- CDN: Netlify
- Weight: 1.9 MB · 59 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- ULT AG
- Profiles: LinkedIn
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Amazon Web Services (75.2.60.5)
- DNS: tec-promotion.de
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 1,302,129, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected core-js Jul 2026
- detected Gatsby Jul 2026
- detected Google Font API Jul 2026
- detected Google Tag Manager Jul 2026
- detected HSTS Jul 2026
- detected Microsoft 365 Jul 2026
- detected Microsoft Advertising Jul 2026
- detected Netlify Jul 2026
- detected Open Graph Jul 2026
- detected Prism Jul 2026
- detected PWA Jul 2026
- detected React Jul 2026
- detected Swiper Jul 2026
- detected Webpack Jul 2026
- detected core-js Feb 2026
- detected Google Font API Feb 2026
- detected Prism Feb 2026