What powers jbfd.org?
Last seen Jun 2026 · 12 technologies across 9 categories
Analytics
Google Analytics
since Jul 2023
Documentation
JavaScript frameworks
React
since Mar 2026
Miscellaneous
PaaS
Amazon Web Services
since Jul 2023
Vercel
since Mar 2026
Security
HSTS
since Jul 2023
Tag managers
Google Tag Manager
since Jul 2023
UI frameworks
Tailwind CSS
since Mar 2026
Webmail
Google Workspace
since Jul 2023
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.26 / 10 · ranked #2,968,850 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese (Japan)
- CDN: Vercel
- Weight: 3.7 MB · 52 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Cloudflare May 2026
- dropped Cloudflare Bot Management May 2026
- dropped core-js May 2026
- dropped Google Font API May 2026
- dropped HTTP/3 May 2026
- dropped HubSpot May 2026
- dropped HubSpot Analytics May 2026
- dropped HubSpot CMS Hub May 2026
- dropped jQuery May 2026
- dropped jQuery Migrate May 2026
- dropped jsDelivr May 2026
- dropped particles.js May 2026