What powers 
dbsj.org?
Last seen Jun 2026 · 26 technologies across 16 categories
Analytics
Google Analytics
since Oct 2022
CDN
CMS
WordPress
since Oct 2022
Databases
MySQL
since Oct 2022
Mailman
since Apr 2025
Font scripts
Font Awesome
since Apr 2025
Google Font API
since Oct 2022
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
Cloudflare Bot Management
since Oct 2022
reCAPTCHA
since Apr 2026
SEO
UI frameworks
Web server extensions
Web servers
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
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.73 / 10 · ranked #289,462 of all domains
99 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 5.4 MB · 67 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Database Society of Japan
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (160.16.240.239)
- DNS: Onamae.com
- Email: dbsj.org
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 37,658, 9 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| dbsj.org | 14 |
| dbjapan.dbsj.org | 11 |
| mypage.dbsj.org | 9 |
| cms.dbsj.org | 3 |
| event.dbsj.org | 3 |
| archive.dbsj.org | 2 |