What powers koseiin.or.jp?
Last seen Jun 2026 · 29 technologies across 18 categories
Advertising
Twitter Ads
since Mar 2022
Analytics
Google Analytics
since Apr 2019
Authentication
Facebook Login
since Mar 2022
CDN
cdnjs
since Nov 2021
Cloudflare
since Jun 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Oct 2022
CMS
Databases
MySQL
since Apr 2019
Font scripts
Google Font API
since Mar 2020
Hosting
Sakura Internet
since Aug 2022
WordPress Multisite
since Jul 2023
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Jul 2024
Programming languages
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since Apr 2019
Web servers
Nginx
since Apr 2019
Widgets
Twitter
since Mar 2022
WordPress plugins
Smash Balloon Instagram Feed
since Oct 2022
WordPress Super Cache
since Dec 2020
Audience
- 63% phone
- 37% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.84 / 10 · ranked #1,899,889 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 15.6 MB · 187 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| college.koseiin.or.jp | 18 |
| www.koseiin.or.jp | 17 |
| eiraku.koseiin.or.jp | 16 |
| momo-house.koseiin.or.jp | 15 |
| momo-taro.koseiin.or.jp | 15 |
| hyakuraku.koseiin.or.jp | 14 |
| ken-yuno.koseiin.or.jp | 14 |
| kurumi.koseiin.or.jp | 14 |
| takaoka.koseiin.or.jp | 11 |
Full technology history →
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Recent changes
- dropped Jetpack Jun 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Nov 2025