What powers 
seldenmast.com?
Last seen Sep 2026 · 34 technologies across 20 categories
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Operating systems
PaaS
Payment processors
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 Oct 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 54% desktop
- 46% phone
United States
Sweden
United Kingdom
France
Denmark
Italy
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #327,869 of all domains
136 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 6.3 MB · 35 requests
- WordPress theme: selden · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Selden Mast
- Founded: 1960
- Sector: machine shop
- Country: Sweden
From Wikidata (CC0).
Infrastructure
- Hosted on BAHNHOF (213.136.57.250)
- DNS: Azure DNS
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 154,206, 8 hosts
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| shop-us.seldenmast.com | 20 |
| dinghy.seldenmast.com | 17 |
| shop-uk.seldenmast.com | 17 |
| www.seldenmast.com | 14 |
| support.seldenmast.com | 12 |
Full technology history →
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Recent changes
- detected Preact Nov 2025
- detected React Nov 2025
- detected Tailwind CSS Nov 2025