What powers mas.fi?
Last seen Aug 2026 · 10 technologies across 10 categories
CMS
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Web server extensions
Web servers
Webmail
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
Finland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.12 / 10 · ranked #1,388,020 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 10.1 MB · 73 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Maritime Archaeological Society of Finland
- Sector: higher education
- Country: Finland
From Wikidata (CC0).
Infrastructure
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 571,596, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| mas.fi | 10 |
| www.mas.fi | 10 |
Full technology history →
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Recent changes
- detected Microsoft 365 Mar 2026
- detected Open Graph Nov 2025