What powers river-guide.org?
Last seen Sep 2026 · 10 technologies across 8 categories
CDN
Google Hosted Libraries
since Aug 2022
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
RSS
since May 2023
Security
HSTS
since Sep 2022
UI frameworks
Web servers
Apache HTTP Server
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.73 / 10 · ranked #2,116,992 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 7.1 MB · 66 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (160.16.145.207)
- DNS: secure-cms.net
- Email: Sakura Internet
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 25,218,666, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted