What powers dupp.de?
Last seen Sep 2026 · 21 technologies across 17 categories
Advertising
CMS
Databases
Ecommerce
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
SEO
UI frameworks
Web servers
Webmail
WordPress plugins
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Allowed
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
The other 30 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
- llms-full.txt found
- ai.txt not found
- Sep 2026 claudebot added to robots.txt
- Sep 2026 oai-searchbot added to robots.txt
- Sep 2026 perplexitybot added to robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.39 / 10 · ranked #1,013,161 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 1.1 MB · 33 requests
- WordPress theme: dupp · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Dupp GmbH - Business- und Onlinelösungen
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on IONOS (217.160.0.114, IPv6)
- DNS: IONOS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: Sectigo, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 12,991,075, 4 hosts
- Verified with: Microsoft 365
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
- dropped Contact Form 7 May 2026
- dropped GSAP May 2026
- dropped Slider Revolution May 2026
- dropped Twitter Emoji (Twemoji) May 2026
- detected Twitter Emoji (Twemoji) Jan 2026