What powers 
tsutetsu.com?
Last seen Sep 2026 · 15 technologies across 12 categories
Analytics
Authentication
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Performance
Programming languages
Web servers
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 65% phone
- 35% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.59 / 10 · ranked #819,883 of all domains
95 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 2.6 MB · 81 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 津軽鉄道 株式会社 (Tsugaru Railway on Wikidata)
- Founded: 1928
- Sector: rail transport
- Country: Japan
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Xserver (120.136.10.71)
- DNS: Xserver
- Email: tsutetsu.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 712,038, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- dropped Google Hosted Libraries Jun 2026
- dropped Lightbox Jun 2026
- dropped Prototype Jun 2026
- dropped script.aculo.us Jun 2026
- detected Twitter Emoji (Twemoji) May 2026