What powers coreca.jp?
Last seen Jun 2026 · 25 technologies across 16 categories
Analytics
Google Analytics
since Feb 2026
Microsoft Clarity
since Feb 2026
CDN
Cloudflare
since Feb 2026
CMS
Databases
MySQL
since Jan 2025
Font scripts
Google Font API
since Jan 2025
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript libraries
Clipboard.js
since Nov 2025
Swiper
since Nov 2025
Marketing automation
HubSpot
since May 2025
Miscellaneous
Open Graph
since Jan 2025
RSS
since Nov 2025
Page builders
WordPress Block Editor
since Jan 2025
Performance
Priority Hints
since Jan 2025
Programming languages
PHP
since Jan 2025
Security
Cloudflare Bot Management
since Feb 2026
reCAPTCHA
since Feb 2025
Tag managers
Google Tag Manager
since Feb 2026
Web servers
Nginx
since Jan 2025
WordPress plugins
WordPress themes
Lightning
since Nov 2025
Audience
- 75% phone
- 25% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.92 / 10 · ranked #14,274,202 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.8 MB · 126 requests
- WordPress theme: lightning (child: lightning-child) · 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
- detected Cloudflare Feb 2026
- detected Cloudflare Bot Management Feb 2026
- detected Facebook Pixel Feb 2026
- detected Google Analytics Feb 2026
- detected Google Tag Manager Feb 2026
- detected Microsoft Clarity Feb 2026
- dropped jsDelivr Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Unpkg Dec 2025
- dropped Yoast SEO Dec 2025
- detected Clipboard.js Nov 2025
- detected Lightning Nov 2025
- detected RSS Nov 2025
- detected Swiper Nov 2025