What powers jclu.org?
Last seen Jun 2026 · 21 technologies across 15 categories
Advertising
Twitter Ads
since Jul 2021
Authentication
Facebook Login
since Jul 2021
CDN
Cloudflare
since Mar 2025
CMS
WordPress
since Mar 2020
Databases
MySQL
since Mar 2020
Font scripts
Google Font API
since Mar 2020
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Mar 2020
Security
Cloudflare Bot Management
since Mar 2025
Video players
YouTube
since Feb 2024
Web servers
Nginx
since Mar 2020
Widgets
WordPress plugins
Audience
- 65% desktop
- 35% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.86 / 10 · ranked #1,857,612 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.5 MB · 78 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025