What powers river-do.com?
Last seen Oct 2026 · 22 technologies across 17 categories
Authentication
Facebook Login
since Nov 2023
CDN
Google Cloud CDN
since Nov 2025
CMS
Jimdo
since Nov 2022
Databases
Firebase
since Nov 2025
Sendgrid
since Nov 2022
Font scripts
Google Font API
since Nov 2025
IaaS
Google Cloud
since Nov 2025
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since Nov 2025
Open Graph
since Nov 2022
Page builders
STUDIO
since Nov 2025
Performance
Google Cloud Trace
since Oct 2026
Programming languages
Node.js
since Nov 2025
Reverse proxies
Nginx
since Nov 2022
Security
HSTS
since Nov 2022
Tag managers
Google Tag Manager
since Nov 2025
Video players
YouTube
since Nov 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.30 / 10 · ranked #8,628,260 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 5.2 MB · 49 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google Cloud (34.111.141.225)
- DNS: Google Cloud DNS
- Email: Jimdo
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,150,006, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| river-do.com | 14 |
| www.river-do.com | 10 |