What powers jsdrc.jp?
Last seen Jun 2026 · 11 technologies across 10 categories
Authentication
Facebook Login
since Jul 2021
CDN
Google Hosted Libraries
since Feb 2022
CMS
Databases
MySQL
since Mar 2020
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Maps
Google Maps
since Dec 2022
Programming languages
PHP
since Mar 2020
Web servers
Nginx
since Mar 2020
WordPress plugins
Audience
- 71% desktop
- 29% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.14 / 10 · ranked #485,770 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.2 MB · 58 requests
- 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 Babel Aug 2025
- dropped core-js Aug 2025
- dropped Twitter Emoji (Twemoji) Aug 2025