What powers 
bit.or.jp?
Last seen Sep 2026 · 25 technologies across 15 categories
Analytics
CDN
Ecommerce
Font scripts
JavaScript libraries
Load balancers
Miscellaneous
Operating systems
PaaS
Performance
Security
UI frameworks
Video players
Web frameworks
Web servers
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 search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| x analysis | #56 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
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
- 83% phone
- 15% desktop
- 2% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.25 / 10 · ranked #93,143 of all domains
228 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
1 keywords in Google's top 30
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.7 MB · 20 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Komeri
- Founded: 1962
- Country: Japan
From Wikidata (CC0).
Infrastructure
- DNS: ocn.ad.jp
- Email: bit.or.jp
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Amazon Trust Services, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 95,243, 3 hosts
- Verified with: GlobalSign, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ec.bit.or.jp | 16 |
| www.komeri.bit.or.jp | 9 |
| komeri-persons.bit.or.jp | 8 |
| www.bit.or.jp | 7 |
Full technology history →
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Recent changes
- detected core-js Dec 2025
- detected Matomo Analytics Dec 2025
- detected Plyr Dec 2025
- detected YouTube Dec 2025