What powers 4-i.jp?
Last seen Aug 2026 · 20 technologies across 13 categories
CMS
Databases
MySQL
since Jul 2020
Font scripts
Google Font API
since Jul 2020
Twitter Emoji (Twemoji)
since Jan 2026
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Jan 2026
Programming languages
UI frameworks
Web servers
Apache HTTP Server
since Jul 2020
WordPress plugins
OrbitFox
since Jan 2026
Smash Balloon Instagram Feed
since Jan 2024
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.04 / 10 · ranked #3,479,234 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.6 s |
| CLS | 0 |
| TTFB | 2400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.4 MB · 71 requests
- WordPress theme: hestia · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Jul 2026
- dropped WPForms Mar 2026
- dropped cdnjs Feb 2026
- dropped Cloudflare Feb 2026
- dropped Font Awesome Feb 2026
- dropped Google AdSense Feb 2026
- dropped Google Analytics Feb 2026
- dropped Google Tag Manager Feb 2026
- dropped reCAPTCHA Feb 2026
- dropped TinyMCE Feb 2026
- detected Hestia Jan 2026
- detected jQuery UI Jan 2026
- detected OrbitFox Jan 2026
- detected Priority Hints Jan 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- detected WPForms Jan 2026
- detected TinyMCE Nov 2025