What powers r-cms.biz?
Last seen Sep 2026 · 21 technologies across 13 categories
Advertising
Twitter Ads
since Aug 2022
Analytics
ClickHeat
since Jan 2019
CDN
Font scripts
Google Font API
since Jun 2024
JavaScript frameworks
JavaScript libraries
Swiper
since Sep 2022
Miscellaneous
Open Graph
since Jun 2024
RSS
since Dec 2022
Mobile frameworks
Programming Languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since May 2025
HSTS
since Sep 2022
Video players
YouTube
since Jan 2021
Web servers
Nginx
since Jun 2017
Widgets
Twitter
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 82% phone
- 18% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.78 / 10 · ranked #2,019,472 of all domains
47 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 29.3 MB · 175 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (75.101.167.9)
- DNS: diverta.co.jp
- Email: no MX record returned
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 646,894, 63 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| hotoku-rugby.r-cms.biz | 11 |
| ku-sprinter.r-cms.biz | 10 |
| studiomalia.r-cms.biz | 6 |
| doho-rugby.r-cms.biz | 5 |
| juntendo-judo.r-cms.biz | 5 |
| miraclekids1979.r-cms.biz | 4 |
| shoinfc.r-cms.biz | 4 |
| srilanka-nihonjinkai.r-cms.biz | 4 |
| tezukayamarugger.r-cms.biz | 4 |
| asahino-rfc.r-cms.biz | 3 |
| inazawa.r-cms.biz | 3 |
| nerima-rugby.r-cms.biz | 3 |
| nurfc-ob.r-cms.biz | 3 |