What powers oiwasan.or.jp?
Last seen Sep 2026 · 14 technologies across 9 categories
Analytics
Google Analytics
since Sep 2020
Snowplow Analytics
since May 2021
CDN
jQuery CDN
since Jan 2025
Ecommerce
Cart Functionality
since Nov 2021
JavaScript libraries
Miscellaneous
Operating systems
AlmaLinux
since Feb 2024
Video players
Plyr
since Feb 2024
Web server extensions
Web servers
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Search and AI assistants
- Amazonbot Blocked
The other 32 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Audience
- 84% phone
- 16% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.61 / 10 · ranked #2,312,075 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0.35 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on GMOCL GMO GlobalSign Holdings K.K. (153.122.47.30)
- DNS: tsukuba.ad.jp
- Email: oiwasan.or.jp
- Email security: SPF (hard fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 12,198,198, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted