What powers 
o-bunka.or.jp?
Last seen Sep 2026 · 24 technologies across 16 categories
Analytics
CMS
Databases
Ecommerce
Editors
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Tag managers
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.75 / 10 · ranked #738,194 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 11.5 MB · 132 requests
- WordPress theme: o-bunka · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Xserver (162.43.122.51)
- DNS: Xserver
- Email: o-bunka.or.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 9,985,358, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| o-bunka.or.jp | 22 |
| www.o-bunka.or.jp | 4 |
Full technology history →
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Recent changes
- dropped jQuery CDN Mar 2026
- detected jQuery UI Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025