What powers 4u-dc.com?
Last seen Jun 2026 · 18 technologies across 13 categories
Analytics
CDN
Google Hosted Libraries
since Nov 2024
CMS
WordPress
since Nov 2024
Databases
MySQL
since Nov 2024
Font scripts
Google Font API
since Dec 2024
JavaScript frameworks
GSAP
since Nov 2024
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2024
Webpack
since Nov 2024
Performance
LazySizes
since Nov 2024
Programming languages
Tag managers
Google Tag Manager
since Nov 2024
Web servers
Apache HTTP Server
since Nov 2024
WordPress plugins
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.28 / 10 · ranked #53,081,397 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.5 MB · 233 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.