What powers librus.co.jp?
Last seen Jun 2026 · 15 technologies across 12 categories
Analytics
Google Analytics
since Sep 2024
CMS
Databases
MySQL
since Sep 2024
Font scripts
Google Font API
since Sep 2024
Twitter Emoji (Twemoji)
since Sep 2024
JavaScript graphics
particles.js
since Sep 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2024
RSS
since Sep 2024
Programming languages
Web server extensions
Web servers
WordPress plugins
WP-PageNavi
since Sep 2024
WordPress themes
Twenty Nineteen
since Sep 2024
Audience
- 83% desktop
- 17% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.91 / 10 · ranked #1,758,444 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 7.1 MB · 42 requests
- WordPress theme: twentynineteen · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Nginx May 2026
- dropped Xserver May 2026
- detected Apache HTTP Server Apr 2026
- detected OpenSSL Apr 2026