What powers osu.ac.jp?
Last seen Jun 2026 · 39 technologies across 20 categories
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Nov 2025
Authentication
Facebook Login
since Jun 2021
CDN
Unpkg
since Sep 2025
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Aug 2022
Twitter Emoji (Twemoji)
since Aug 2022
JavaScript libraries
OWL Carousel
since Aug 2022
Splide
since Dec 2025
Miscellaneous
Operating systems
UNIX
since Jan 2019
Windows Server
since Aug 2022
Page builders
WordPress Block Editor
since Jul 2024
WordPress Site Editor
since Sep 2025
Performance
Priority Hints
since Oct 2023
Programming languages
Security
Tag managers
Google Tag Manager
since Jan 2019
Video players
YouTube
since Sep 2022
Web frameworks
Microsoft ASP.NET
since Aug 2022
Web server extensions
Web servers
WordPress plugins
Smash Balloon Instagram Feed
since Nov 2022
WordPress themes
Twenty Fifteen
since Jan 2023
Audience
- 59% phone
- 41% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.17 / 10 · ranked #471,380 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 42.7 MB · 132 requests
- WordPress theme: osu · all themes
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.osu.ac.jp | 21 |
| sangakukan2.osu.ac.jp | 20 |
| syllabus.osu.ac.jp | 5 |
| syllabus2.osu.ac.jp | 3 |
| webclass.osu.ac.jp | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Jun 2026
- dropped VideoJS Jun 2026
- dropped Jetpack May 2026
- dropped Priority Hints May 2026
- detected Jetpack Feb 2026
- detected Priority Hints Feb 2026
- detected YouTube Feb 2026
- dropped Google Ads Dec 2025
- dropped Google Ads Conversion Tracking Dec 2025
- dropped Google Maps Dec 2025
- detected Splide Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Microsoft Clarity Nov 2025
- dropped Priority Hints Nov 2025
- dropped YouTube Nov 2025
- dropped Cloudflare Oct 2025
- dropped Cloudflare Bot Management Oct 2025
- detected Google Maps Oct 2025
- dropped LazySizes Oct 2025
- dropped Twitter Oct 2025
- dropped Twitter Ads Oct 2025
- detected Google Font API Sep 2025
- dropped Jetpack Sep 2025
- detected Nginx Sep 2025
- detected Smash Balloon Instagram Feed Sep 2025
- detected Unpkg Sep 2025
- detected WordPress Site Editor Sep 2025