What powers 
seicho-mm.jp?
Last seen Oct 2026 · 22 technologies across 14 categories
Analytics
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
SEO
UI frameworks
Web servers
WordPress plugins
WordPress themes
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
- Oct 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Audience
- 75% phone
- 25% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.95 / 10 · ranked #611,158 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 7.1 MB · 58 requests
- WordPress theme: lightning-pro (child: coki_original) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Matsumoto Seicho Memorial Museum
- Founded: 1998
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Xserver (183.181.99.22)
- DNS: xbiz.ne.jp
- Email: seicho-mm.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: CloudSecure Corporation, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 1,230,597, 2 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Aug 2026
- detected Priority Hints Jan 2026