What powers irrc.co.jp?
Last seen Jun 2026 · 28 technologies across 16 categories
Analytics
Google Analytics
since Jan 2019
Mouse Flow
since Aug 2022
CDN
CMS
WordPress
since Aug 2022
Databases
MySQL
since Aug 2022
Font scripts
Twitter Emoji (Twemoji)
since Aug 2022
JavaScript libraries
Marketing automation
BowNow
since Aug 2022
Salesforce Marketing Cloud Account Engagement
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Apr 2025
PaaS
Amazon Web Services
since Jul 2022
Programming languages
PHP
since Aug 2022
Security
HSTS
since Mar 2026
SEO
Tag managers
Google Tag Manager
since Aug 2022
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Apple iCloud Mail
since Aug 2023
Microsoft 365
since Aug 2022
WordPress plugins
Audience
- 74% phone
- 26% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.49 / 10 · ranked #403,966 of all domains
69 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 10.0 MB · 132 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| hs.irrc.co.jp | 26 |
| www.irrc.co.jp | 19 |
| mailscreen.irrc.co.jp | 5 |
Full technology history →
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Recent changes
- dropped Moment.js May 2026