What powers 
nijin.co.jp?
Last seen Sep 2026 · 47 technologies across 23 categories
Analytics
Caching
CDN
CMS
Databases
Ecommerce
Font scripts
Hosting
IaaS
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Reviews
Security
Tag managers
UI frameworks
Video players
Web servers
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 *: Restricted (was Allowed)
- Sep 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 67% desktop
- 33% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #356,873 of all domains
68 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.7 MB · 29 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Xserver (162.43.118.3)
- DNS: Xserver
- Email: Xserver
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,696,749, 13 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| jugyoterrace.nijin.co.jp | 24 |
| media.nijin.co.jp | 24 |
| www.nijin.co.jp | 22 |
| academy.nijin.co.jp | 17 |
| nijin.co.jp | 17 |
| highschool.nijin.co.jp | 15 |
| tomodachi-japan.nijin.co.jp | 15 |
| project.nijin.co.jp | 13 |
| senseicoach.nijin.co.jp | 5 |
Full technology history →
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Recent changes
- detected WPMU DEV Smush Sep 2026
- dropped Cart Functionality Jul 2026
- detected cdnjs Jul 2026
- detected Cloudflare Jul 2026
- detected Cart Functionality May 2026
- dropped All in One SEO Mar 2026
- dropped Envoy Mar 2026
- dropped Jetpack Mar 2026
- detected Elementor Feb 2026
- detected Font Awesome Feb 2026
- detected Google Font API Feb 2026
- detected jQuery Feb 2026
- detected jQuery UI Feb 2026
- detected Yoast SEO Feb 2026
- detected YouTube Feb 2026
- detected Jetpack Jan 2026
- detected Xserver Jan 2026