What powers hcs.ac.jp?
Last seen Jun 2026 · 18 technologies across 14 categories
Advertising
Yahoo Advertising
since Apr 2022
Analytics
Google Analytics
since Jan 2019
CDN
jsDelivr
since Sep 2023
CMS
WordPress
since Apr 2026
Databases
MySQL
since Apr 2026
Font scripts
Google Font API
since Apr 2026
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Apr 2026
Programming languages
PHP
since Apr 2026
Tag managers
Google Tag Manager
since Jan 2019
Video players
YouTube
since Dec 2023
Web servers
Nginx
since Jan 2019
Webmail
Google Workspace
since Aug 2022
WordPress plugins
WP-PageNavi
since Apr 2026
Audience
- 55% phone
- 43% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.24 / 10 · ranked #1,212,996 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 13.0 MB · 132 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Yahoo Advertising Jun 2026
- detected All in One SEO May 2026
- dropped Backbone.js May 2026
- dropped jQuery May 2026
- dropped Lodash May 2026
- dropped Priority Hints May 2026
- dropped RequireJS May 2026
- dropped RSS May 2026
- dropped Twitter Ads May 2026
- dropped Underscore.js May 2026
- detected Google Font API Apr 2026
- detected MySQL Apr 2026
- detected PHP Apr 2026
- detected PWA Apr 2026
- detected WordPress Apr 2026
- detected WP-PageNavi Apr 2026
- detected Priority Hints Mar 2026
- dropped Google Ads Dec 2025
- dropped Google Ads Conversion Tracking Dec 2025
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025