What powers leber.jp?
Last seen Jun 2026 · 30 technologies across 16 categories
A/B Testing
Google Optimize
since Sep 2021
Analytics
Google Analytics
since Sep 2020
HubSpot Analytics
since Mar 2024
CDN
CMS
HubSpot CMS Hub
since Mar 2024
Font scripts
Google Font API
since May 2022
JavaScript frameworks
React
since Sep 2020
JavaScript libraries
Marketing automation
HubSpot
since Feb 2024
Miscellaneous
PaaS
Amazon Web Services
since Sep 2020
Payment processors
Stripe
since Dec 2023
Programming languages
Node.js
since Sep 2020
Security
Cloudflare Bot Management
since Mar 2024
HSTS
since Mar 2024
Tag managers
Google Tag Manager
since Sep 2020
UI frameworks
Ant Design
since Sep 2022
Webmail
Apple iCloud Mail
since Nov 2025
Google Workspace
since Aug 2022
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.13 / 10 · ranked #489,783 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 150 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Amazon CloudFront
- Weight: 5.7 MB · 90 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.leber.jp | 18 |
| console.leber.jp | 16 |
| faq.leber.leber.jp | 15 |
| dev-10.leber.jp | 14 |
| board.leber.jp | 12 |
| web.leber.jp | 12 |
Full technology history →
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Recent changes
- detected PDF.js Dec 2025
- detected Apple iCloud Mail Nov 2025