What powers kohgakusha.com?
Last seen Jun 2026 · 27 technologies across 18 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
CDN
Cloudflare
since Mar 2025
Google Hosted Libraries
since Mar 2022
CMS
Databases
MySQL
since Feb 2019
Font scripts
Google Font API
since Feb 2019
JavaScript libraries
Miscellaneous
Open Graph
since Jun 2023
RSS
since Dec 2022
Performance
Priority Hints
since Feb 2024
Programming languages
PHP
since Feb 2019
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since Jan 2019
Video players
YouTube
since Feb 2019
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Jul 2020
Widgets
Twitter
since Feb 2019
WordPress plugins
Smash Balloon Instagram Feed
since Mar 2022
WordPress themes
Twenty Ten
since Apr 2024
Audience
- 61% phone
- 40% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.73 / 10 · ranked #2,115,490 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.2 MB · 75 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| highschool.kohgakusha.com | 23 |
| tpa1986.kohgakusha.com | 14 |
| www.kohgakusha.com | 4 |
Full technology history →
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Recent changes
- dropped HSTS Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected HSTS Sep 2025