What powers jac.go.jp?
Last seen Jun 2026 · 40 technologies across 25 categories
Advertising
Twitter Ads
since May 2021
Analytics
Google Analytics
since Aug 2018
Authentication
Facebook Login
since Jun 2021
Caching
Varnish
since Jul 2024
CDN
Amazon CloudFront
since Apr 2019
Amazon S3
since Apr 2019
cdnjs
since Mar 2026
Cloudflare
since Sep 2024
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Oct 2025
jsDelivr
since Oct 2025
Unpkg
since Oct 2025
CMS
Cookie compliance
OneTrust
since Apr 2024
Databases
MySQL
since Oct 2025
Editors
DreamWeaver
since Aug 2018
Amazon SES
since Mar 2026
Font scripts
Google Font API
since Aug 2018
Hosting
Sakura Internet
since Mar 2023
JavaScript frameworks
Vue.js
since May 2026
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Oct 2019
PaaS
Amazon Web Services
since Apr 2019
Performance
Priority Hints
since Oct 2025
Programming languages
PHP
since Aug 2018
Security
Cloudflare Bot Management
since Sep 2024
HSTS
since Sep 2022
SEO
Tag managers
Google Tag Manager
since Aug 2018
Video players
YouTube
since Oct 2025
Web servers
Apache HTTP Server
since Aug 2018
Nginx
since Sep 2020
Webmail
Google Workspace
since Aug 2022
Widgets
Twitter
since Aug 2018
Audience
- 75% phone
- 23% desktop
- 2% tablet
Japan
United Kingdom
France
Australia
South Korea
Taiwan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.63 / 10 · ranked #14,953 of all domains
1,238 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.8 MB · 74 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| creator.ntj.jac.go.jp | 21 |
| www.nntt.jac.go.jp | 15 |
| cms.nntt.jac.go.jp | 13 |
| www.ntj.jac.go.jp | 9 |
| www2.ntj.jac.go.jp | 9 |
| wwwsv1.ntj.jac.go.jp | 9 |
| ticket.nntt.jac.go.jp | 8 |
| keizokushien.ntj.jac.go.jp | 7 |
| ticket.ntj.jac.go.jp | 5 |
| www.gekijo-ongakudo.ntj.jac.go.jp | 5 |
| gekijo-ongakudo.ntj.jac.go.jp | 4 |
Full technology history →
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Recent changes
- dropped core-js Jun 2026
- dropped Facebook Pixel Jun 2026
- detected Cloudflare Bot Management May 2026
- detected Vue.js May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025