What powers arc-academy.net?
Last seen Jun 2026 · 28 technologies across 17 categories
Analytics
Google Analytics
since Aug 2018
CMS
WordPress
since Aug 2018
Databases
MySQL
since Aug 2018
Font scripts
Hosting
Xserver
since Aug 2022
JavaScript libraries
Slick
since May 2022
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Jan 2024
Programming languages
PHP
since Aug 2018
Security
Tag managers
Google Tag Manager
since Apr 2019
UI frameworks
Video players
YouTube
since Jul 2022
Web frameworks
Web servers
Nginx
since Aug 2018
WordPress plugins
Autoptimize
since Apr 2026
Contact Form 7
since Aug 2022
EmbedPlus
since Feb 2022
WP-PageNavi
since Feb 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.93 / 10 · ranked #1,712,272 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.9 MB · 13 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| yousei.arc-academy.net | 19 |
| kenshu.arc-academy.net | 18 |
| japanese.arc-academy.net | 17 |
| www.arc-academy.net | 9 |
| web.arc-academy.net | 6 |
Full technology history →
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Recent changes
- detected Autoptimize Apr 2026
- dropped Google Ads Dec 2025
- dropped Google Ads Conversion Tracking Dec 2025