What powers eltschool.jp?
Last seen Jun 2026 · 29 technologies across 17 categories
Advertising
Twitter Ads
since Jan 2025
Analytics
Google Analytics
since Oct 2020
Hotjar
since Nov 2024
Linkedin Insight Tag
since Oct 2024
Microsoft Clarity
since Jan 2026
CDN
Cloudflare
since Jan 2022
Font scripts
Font Awesome
since Dec 2020
Google Font API
since Dec 2020
Hosting
Xserver
since Aug 2022
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ALB
since Mar 2022
Marketing automation
Miscellaneous
PaaS
Amazon Web Services
since Mar 2022
Vercel
since Jan 2026
Performance
Priority Hints
since Aug 2023
Programming languages
Node.js
since Jan 2026
Security
Cloudflare Bot Management
since Jan 2022
HSTS
since Jan 2026
Tag managers
Google Tag Manager
since Oct 2020
UI frameworks
Tailwind CSS
since Jan 2026
Webmail
Google Workspace
since Aug 2022
Audience
- 55% phone
- 45% desktop
Japan
South Korea
Taiwan
Hong Kong SAR China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.82 / 10 · ranked #1,941,650 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Vercel
- Weight: 2.6 MB · 126 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Divi Feb 2026
- dropped jQuery Feb 2026
- dropped jQuery Migrate Feb 2026
- dropped Matomo Analytics Feb 2026
- dropped MediaElement.js Feb 2026
- dropped Moshimo Feb 2026
- dropped MySQL Feb 2026
- dropped Nginx Feb 2026
- dropped PHP Feb 2026
- dropped RSS Feb 2026
- dropped WordPress Feb 2026
- dropped Yoast SEO Feb 2026
- dropped YouTube Feb 2026
- dropped Crazy Egg Jan 2026
- detected AD EBiS Nov 2025
- detected Matomo Analytics Nov 2025