What powers welearn.co.jp?
Last seen Aug 2026 · 26 technologies across 14 categories
Analytics
CMS
microCMS
since Jul 2026
JavaScript frameworks
JavaScript libraries
Marketing automation
Salesforce Marketing Cloud Account Engagement
since Jun 2023
Miscellaneous
Open Graph
since Jun 2023
Webpack
since Jan 2025
PaaS
Amazon Web Services
since Jun 2023
Vercel
since Jan 2025
Performance
Priority Hints
since Jan 2025
Programming languages
Security
HSTS
since Jan 2025
Tag managers
Google Tag Manager
since Jun 2023
UI frameworks
Web servers
Apache HTTP Server
since Jun 2023
Webmail
Google Workspace
since Jun 2023
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 Aug 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.04 / 10 · ranked #1,521,247 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 25 ms |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 1.1 MB · 66 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| community.welearn.co.jp | 19 |
| www.welearn.co.jp | 18 |
| welearn.co.jp | 9 |
Full technology history →
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Recent changes
- dropped All in One SEO Aug 2026
- dropped MySQL Aug 2026
- dropped Site Kit Aug 2026
- dropped Twitter Emoji (Twemoji) Aug 2026
- dropped WordPress Aug 2026
- dropped WP-PageNavi Aug 2026