What powers 373kc.jp?
Last seen Jun 2026 · 20 technologies across 12 categories
CDN
Google Hosted Libraries
since Mar 2022
CMS
WordPress
since Sep 2021
Databases
MySQL
since Sep 2021
JavaScript libraries
Maps
Google Maps
since Dec 2022
Marketing automation
BowNow
since Jan 2023
Miscellaneous
Open Graph
since Sep 2022
Performance
LazySizes
since Mar 2022
Programming languages
Security
reCAPTCHA
since Mar 2022
Web servers
Nginx
since Sep 2021
WordPress plugins
EWWW Image Optimizer
since Mar 2022
WP-PageNavi
since Mar 2022
Audience
- 53% desktop
- 47% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.70 / 10 · ranked #4,981,285 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.8 MB · 119 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 Moment.js Aug 2025