What powers 4login.jp?
Last seen Jun 2026 · 31 technologies across 19 categories
Advertising
Twitter Ads
since Jan 2023
Analytics
Google Analytics
since Jan 2023
CDN
Cloudflare
since Sep 2024
jsDelivr
since Jul 2023
CMS
WordPress
since Jan 2023
Databases
MySQL
since Jan 2023
Development
Hosting
Xserver
since Sep 2024
IaaS
Google Cloud
since May 2025
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
WordPress Block Editor
since Jul 2024
Performance
Google Cloud Trace
since May 2025
Priority Hints
since Aug 2023
Programming languages
Security
Cloudflare Bot Management
since Sep 2024
reCAPTCHA
since Feb 2024
Tag managers
Google Tag Manager
since Jan 2023
UI frameworks
MUI
since May 2025
Web servers
Nginx
since Jan 2023
WordPress plugins
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.79 / 10 · ranked #1,993,378 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.5 MB · 48 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.4login.jp | 21 |
| mypage.4login.jp | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped Google Font API Aug 2025
- dropped jQuery Migrate Aug 2025
- dropped Lightning Aug 2025
- dropped Swiper Aug 2025