What powers century21.ne.jp?
Last seen Jun 2026 · 14 technologies across 9 categories
Font scripts
Google Font API
since Feb 2020
JavaScript libraries
Miscellaneous
PWA
since Dec 2024
PaaS
Amazon Web Services
since Jul 2025
Programming Languages
Java
since Aug 2018
TypeScript
since Dec 2022
Security
HSTS
since Sep 2022
Web Frameworks
Web servers
Apache HTTP Server
since Aug 2022
Nginx
since Feb 2020
Widgets
Audience
- 98% desktop
- 2% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.50 / 10 · ranked #6,487,156 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0.35 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.0 MB · 2 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| portal.century21.ne.jp | 9 |
| 21net.century21.ne.jp | 3 |
| sfa.century21.ne.jp | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped jQuery CDN May 2026