What powers jefcom.co.jp?
Last seen Jun 2026 · 18 technologies across 13 categories
Analytics
CDN
Amazon CloudFront
since Nov 2021
jsDelivr
since Apr 2026
Font scripts
Google Font API
since Jan 2019
JavaScript frameworks
Vue.js
since Apr 2026
JavaScript libraries
Marketing automation
BowNow
since Feb 2022
Miscellaneous
Open Graph
since Apr 2025
PaaS
Amazon Web Services
since Nov 2021
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Nov 2021
UI frameworks
Video players
YouTube
since Sep 2024
Web servers
Apache HTTP Server
since Jan 2019
Audience
- 56% desktop
- 42% phone
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.92 / 10 · ranked #636,169 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 12.4 MB · 115 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Amazon ALB May 2026
- dropped Ruby May 2026
- dropped Ruby on Rails May 2026
- detected core-js Apr 2026
- detected jsDelivr Apr 2026
- detected Vue.js Apr 2026