What powers sfah.dk?
Last seen Jul 2026 · 9 technologies across 7 categories
CMS
Databases
Font scripts
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Denmark
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.03 / 10 · ranked #1,537,802 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Danish (Denmark)
- Weight: 0.5 MB · 23 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Arbejderhistorie
- Founded: 1973
From Wikidata (CC0).
Infrastructure
- Hosted on SENTIA (46.183.138.100)
- DNS: gigahost.dk
- Email: gigahost.dk
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 1,213,681, 4 hosts
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 HSTS Mar 2026