What powers coursevalu.com?
Last seen Jun 2026 · 16 technologies across 12 categories
Analytics
Google Analytics
since Nov 2024
CDN
Amazon CloudFront
since Nov 2024
Amazon S3
since Nov 2024
CMS
microCMS
since Jan 2026
Amazon SES
since Apr 2026
JavaScript frameworks
Miscellaneous
PaaS
Amazon Web Services
since Nov 2024
Performance
Priority Hints
since Aug 2025
Programming languages
Node.js
since Nov 2024
Tag managers
Google Tag Manager
since Jun 2025
UI frameworks
Tailwind CSS
since Jun 2025
Webmail
Google Workspace
since Nov 2024
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.55 / 10 · ranked #23,117,468 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese (Japan)
- CDN: Amazon CloudFront
- Weight: 18.1 MB · 124 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| coursevalu.com | 16 |
| puc.coursevalu.com | 13 |
Full technology history →
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Recent changes
- dropped Cart Functionality Mar 2026
- dropped Google Font API Mar 2026
- dropped Twitter Mar 2026
- dropped Twitter Ads Mar 2026