What powers hoikuen-ryugaku.com?
Last seen Sep 2026 · 30 technologies across 18 categories
Analytics
Google Analytics
since Aug 2022
Microsoft Clarity
since Sep 2026
CDN
Databases
Firebase
since Mar 2022
Font scripts
Google Font API
since Mar 2022
IaaS
Google Cloud
since Mar 2022
JavaScript frameworks
JavaScript libraries
Live chat
Channel.io
since May 2024
Miscellaneous
HTTP/3
since Jul 2024
Open Graph
since Sep 2022
PaaS
Heroku
since Oct 2023
Page builders
STUDIO
since Mar 2022
Payment processors
Performance
Turbo
since Oct 2023
Programming languages
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Mar 2022
Web frameworks
Ruby on Rails
since Oct 2023
Web servers
Cowboy
since Oct 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 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
4.08 / 10 · ranked #516,130 of all domains
96 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.3 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Registered Sep 2021 (5 years) via Squarespace Domains II LLC, renews Sep 2027
- Hosted on Cloudflare (104.21.43.29, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- Email security: DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 216,958, 4 hosts
- Verified with: Meta Business
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| reserve.hoikuen-ryugaku.com | 19 |
| hoikuen-ryugaku.com | 15 |
| shougakusei.hoikuen-ryugaku.com | 15 |