What powers 4143.com?
Last seen Jun 2026 · 29 technologies across 18 categories
Analytics
Caching
WordPress Super Cache
since Nov 2024
CDN
Cloudflare
since Feb 2020
CMS
WordPress
since Feb 2024
CRM
Salesforce
since Aug 2022
Databases
MySQL
since Feb 2024
Font scripts
Font Awesome
since Apr 2023
Google Font API
since Feb 2020
JavaScript Frameworks
Essential JS 2
since Feb 2020
JavaScript Libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Performance
Priority Hints
since May 2024
Programming languages
PHP
since Feb 2024
Tag managers
Google Tag Manager
since Feb 2019
Web servers
Apache HTTP Server
since Feb 2019
Webmail
Google Workspace
since Aug 2022
Widgets
Facebook
since Feb 2019
WordPress plugins
Audience
- 64% desktop
- 36% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.63 / 10 · ranked #21,303,307 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.3 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 3200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.7 MB · 56 requests
- WordPress theme: massive_tcd084 · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.4143.com | 17 |
| ssl.cp.4143.com | 14 |
| 4143.com | 8 |
Full technology history →
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Recent changes
- dropped MonsterInsights Jun 2026
- detected Priority Hints Dec 2025
- dropped Priority Hints Sep 2025