What powers yubitoma.or.jp?
Last seen Oct 2026 · 12 technologies across 12 categories
Advertising
Google AdSense
since Jan 2019
Analytics
Authentication
Facebook Login
since Jul 2021
Font scripts
Google Font API
since Nov 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Jan 2019
Performance
Priority Hints
since Sep 2026
Programming languages
Security
reCAPTCHA
since Jan 2023
Tag managers
Google Tag Manager
since Jan 2023
Web servers
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 59% phone
- 41% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.22 / 10 · ranked #448,956 of all domains
71 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 1.2 MB · 59 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (160.16.77.29)
- DNS: sendmail.ne.jp
- Email: xsrv.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,434,042, 5 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.yubitoma.or.jp | 12 |
| yubitoma.or.jp | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Sep 2026
- detected Google Font API Jul 2026
- dropped Google Font API Apr 2026
- dropped Funding Choices Jan 2026