What powers k-rcg.co.jp?
Last seen Oct 2026 · 20 technologies across 13 categories
Analytics
Google Analytics
since Jul 2025
CMS
Databases
MySQL
since Oct 2022
Font scripts
Twitter Emoji (Twemoji)
since Oct 2022
JavaScript libraries
Clipboard.js
since Oct 2022
Swiper
since Oct 2023
Miscellaneous
Open Graph
since Oct 2022
RSS
since Oct 2023
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Feb 2024
Programming languages
UI frameworks
Web servers
Apache HTTP Server
since Oct 2022
WordPress plugins
TablePress
since Oct 2022
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.64 / 10 · ranked #5,409,426 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 3.1 MB · 62 requests
- WordPress theme: lightning-pro (child: lightning_child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on GMO Internet (157.7.107.51)
- DNS: Muumuu Domain
- Email: Lolipop
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 19,184,601, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted