What powers 
kapsi.fi?
Last seen Sep 2026 · 56 technologies across 26 categories
Analytics
Authentication
CDN
CMS
Comment systems
Databases
Editors
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Maps
Message boards
Miscellaneous
Page builders
Performance
Programming languages
Security
Static site generator
UI frameworks
Web servers
Webmail
Widgets
Wikis
WordPress plugins
WordPress themes
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Finland
Brazil
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.05 / 10 · ranked #35,972 of all domains
692 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.0 MB · 3 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
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worldshopping.global 3 sharedasean.or.jp 3 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- Tampereen Frisbeeseura ry (Kapsi Internet-käyttäjät on Wikidata)
- Founded: 2003
- Sector: Internet industry
- Country: Finland
- Profiles: Facebook, Instagram, YouTube
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Registered Sep 2003 (23 years), renews Sep 2031
- Hosted on KAPSI-AS (91.232.154.11, IPv6)
- DNS: ns1.kapsi.fi
- Email: mail.kapsi.fi
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed, MTA-STS
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 424,662, 473 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| tfs.kapsi.fi | 19 |
| ptalviti.kapsi.fi | 13 |
| sammi.kapsi.fi | 13 |
| bbstat.kapsi.fi | 10 |
| kartat.kapsi.fi | 10 |
| mirosol.kapsi.fi | 9 |
| perttuveikko.kapsi.fi | 8 |
| mlahdenm.kapsi.fi | 7 |
| roundcube.kapsi.fi | 6 |
| ccof.kapsi.fi | 5 |
| panther.kapsi.fi | 5 |
| suja.kapsi.fi | 4 |
| jussihi.kapsi.fi | 3 |
| kkmy.kapsi.fi | 3 |
| korva.kapsi.fi | 3 |
| www.kapsi.fi | 3 |
| doradi.kapsi.fi | 2 |
| ephemer.kapsi.fi | 2 |
| jussiupn.kapsi.fi | 2 |
| lemmetyinen.kapsi.fi | 2 |
| sivullinen.kapsi.fi | 2 |
| a1bert.kapsi.fi | 1 |
| akys.kapsi.fi | 1 |
| allo.kapsi.fi | 1 |
Full technology history →
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Recent changes
- detected AndersNoren Hemingway Dec 2025