What powers joso.ac.jp?
Last seen Aug 2026 · 28 technologies across 15 categories
Analytics
Google Analytics
since Jun 2021
CDN
jsDelivr
since Jul 2020
CMS
Databases
MySQL
since Jan 2019
Font scripts
Twitter Emoji (Twemoji)
since Dec 2025
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Apr 2023
RSS
since Apr 2023
Performance
Priority Hints
since Nov 2023
Programming languages
PHP
since Jan 2019
Tag managers
Google Tag Manager
since Jul 2021
Web servers
Nginx
since Jan 2019
WordPress plugins
Popup Maker
since Apr 2023
SiteOrigin Page Builder
since Apr 2023
WordPress themes
Twenty Twenty
since Apr 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 66% phone
- 34% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.09 / 10 · ranked #1,445,898 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 6.3 MB · 92 requests
- WordPress theme: isotype_001 (child: readable-child) · all themes
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| www.joso.ac.jp | 25 |
| joso.ac.jp | 21 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped TinyMCE Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected TinyMCE Nov 2025