What powers 
selldorf.com?
Last seen Oct 2026 · 21 technologies across 16 categories
Analytics
Caching
CDN
CMS
Databases
Documentation
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
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 Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 80% desktop
- 20% phone
United States
Italy
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.19 / 10 · ranked #460,345 of all domains
173 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- CDN: Cloudflare
- Weight: 20.1 MB · 32 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Selldorf Architects
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Registered Oct 1998 (28 years) via Network Solutions, LLC, renews Oct 2032
- Hosted on Cloudflare (162.159.134.32)
- DNS: easydns.com
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 537,833, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.selldorf.com | 16 |
| selldorf.com | 13 |