What powers karstensens.dk?
Last seen Aug 2026 · 10 technologies across 9 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
Cookie compliance
Font scripts
Google Font API
since Jan 2019
JavaScript frameworks
JavaScript libraries
Security
reCAPTCHA
since Jan 2019
Web frameworks
Microsoft ASP.NET
since Jan 2019
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 58% phone
- 42% desktop
Denmark
Poland
Norway
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.17 / 10 · ranked #1,315,497 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Danish (Denmark)
- Weight: 2.6 MB · 36 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Karstensens Skibsværft
- Founded: 1917
- Country: Denmark
From Wikidata (CC0).
Infrastructure
- Hosted on TELIANET-DENMARK (193.8.37.84)
- DNS: curanet.dk
- Email: no MX record returned
- Email security: DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,367,663, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| karstensens.dk | 10 |
| www.karstensens.dk | 10 |