What powers 
seismograf.org?
Last seen Oct 2026 · 12 technologies across 10 categories
CMS
Hosting
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Security
Web servers
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 59% desktop
- 41% phone
Denmark
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.91 / 10 · ranked #256,145 of all domains
138 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0.2 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Danish
- Weight: 1.7 MB · 18 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Aug 2007 (19 years) via CSL Computer Service Langenbach GmbH d/b/a joker.com, renews Aug 2027
- Hosted on Hetzner (46.224.59.206)
- DNS: one.com
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 628,900, 3 hosts
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 |
|---|---|
| seismograf.org | 12 |
| www.seismograf.org | 12 |
Full technology history →
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Recent changes
- dropped Apache HTTP Server Mar 2026
- dropped Google Analytics Mar 2026
- dropped scrollreveal Mar 2026
- dropped Slick Mar 2026
- dropped Typekit Mar 2026
- detected HSTS Feb 2026
- detected MailChimp Feb 2026
- detected Nginx Feb 2026
- detected Open Graph Feb 2026
- detected PWA Feb 2026