What powers ridi.co.jp?
Last seen Sep 2026 · 20 technologies across 13 categories
CDN
Google Cloud CDN
since May 2026
Google Hosted Libraries
since Aug 2022
Databases
Firebase
since May 2026
Font scripts
Google Font API
since Aug 2022
IaaS
Google Cloud
since May 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since May 2026
Open Graph
since May 2026
Operating systems
UNIX
since Aug 2022
Page builders
STUDIO
since May 2026
Programming languages
Tag managers
Google Tag Manager
since May 2026
Web server extensions
Web servers
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.83 / 10 · ranked #4,190,848 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 50 ms |
| CLS | 1.2 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 15.3 MB · 162 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Google Cloud (34.111.141.225)
- Email: no MX record returned, SPF names Zoho Mail
- Email security: SPF (soft fail)
- SSL: Google Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,083,132, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ridi.co.jp | 11 |
| ridi.co.jp | 10 |