What powers jsas.info?
Last seen Oct 2026 · 8 technologies across 8 categories
Analytics
Google Analytics
since Jul 2022
CMS
Databases
MySQL
since Jul 2022
Font scripts
Miscellaneous
RSS
since Jan 2023
Programming languages
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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.82 / 10 · ranked #1,934,313 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.7 MB · 16 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Japan Society for Archival Science
- Founded: 2004
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on CPI-NET KDDI Web Communications Inc. (202.164.255.106)
- DNS: cpi.ad.jp
- Email: secure.ne.jp
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 1,213,867, 2 hosts
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted