What powers sjss.or.jp?
Last seen Jul 2026 · 12 technologies across 10 categories
Analytics
Google Analytics
since Nov 2023
CDN
Google Hosted Libraries
since Nov 2023
Hosting
Sakura Internet
since May 2026
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Nov 2023
Miscellaneous
RSS
since Nov 2023
Security
HSTS
since Nov 2023
UI frameworks
Web servers
Apache HTTP Server
since Nov 2023
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
1.28 / 10 · ranked #8,930,094 of all domains
2 referring domains · OpenPageRank
Infrastructure
- Hosted on Sakura Internet (153.121.73.221)
- DNS: Sakura Internet
- Email: Sakura Internet
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 4,647,400, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted