What powers lupp.de?
Last seen Sep 2026 · 23 technologies across 12 categories
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Video players
Web servers
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 64% phone
- 36% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.35 / 10 · ranked #1,065,057 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German (Germany)
- Weight: 3.7 MB · 132 requests
- WordPress theme: avada · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Adolf Lupp
- Founded: 1910
- Sector: construction
From Wikidata (CC0).
Infrastructure
- DNS: stratoserver.net
- Email: lupp.de
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Sectigo, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 15,060,397, 2 hosts
- Verified with: Apple Business, Atlassian, Microsoft 365, OpenAI
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 Bootstrap Sep 2026
- dropped OWL Carousel Jul 2026
- dropped Priority Hints Jul 2026
- dropped The Events Calendar Jul 2026
- dropped Usercentrics Jul 2026
- dropped WP Rocket Jul 2026
- detected Contact Form 7 Jun 2026
- detected Twitter Emoji (Twemoji) Jun 2026