What powers o-hb.ed.jp?
Last seen Jun 2026 · 24 technologies across 15 categories
Analytics
Google Analytics
since Jun 2022
CDN
cdnjs
since Sep 2024
Cloudflare
since Sep 2024
Google Hosted Libraries
since Jun 2022
Unpkg
since Jun 2022
CMS
Databases
MySQL
since Jun 2022
Font scripts
Google Font API
since Jun 2022
Twitter Emoji (Twemoji)
since Jun 2022
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
Riot
since Jun 2025
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
Performance
LazySizes
since Aug 2025
Programming languages
PHP
since Jun 2022
SEO
Video players
YouTube
since Dec 2022
Web servers
Apache HTTP Server
since Apr 2020
Nginx
since Jun 2022
WordPress plugins
EWWW Image Optimizer
since Aug 2025
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.68 / 10 · ranked #5,100,931 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 14.3 MB · 125 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| o-hb.ed.jp | 23 |
| www.o-hb.ed.jp | 1 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025
- detected EWWW Image Optimizer Aug 2025
- detected LazySizes Aug 2025