What powers yohan.or.jp?
Last seen Sep 2026 · 24 technologies across 15 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
WordPress plugins
WordPress themes
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.93 / 10 · ranked #3,789,677 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean (South Korea)
- Weight: 11.5 MB · 102 requests
- WordPress theme: lightning · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on GMO Internet (150.95.219.216)
- DNS: gmoserver.jp
- Email: onamae.ne.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: GlobalSign, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 14,119,318, 4 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| waseda.yohan.or.jp | 20 |
| yohan.or.jp | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Bootstrap Sep 2026
- dropped Moment.js Sep 2026
- dropped React Sep 2026
- detected Clipboard.js Jul 2026
- detected EWWW Image Optimizer Jul 2026
- detected Font Awesome Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Google Tag Manager Jul 2026
- detected jQuery Jul 2026
- detected jQuery CDN Jul 2026
- detected jQuery Migrate Jul 2026
- detected jQuery UI Jul 2026
- detected LazySizes Jul 2026
- detected Lightning Jul 2026
- detected Microsoft Clarity Jul 2026
- detected Moment.js Jul 2026
- detected MySQL Jul 2026
- detected Nginx Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected React Jul 2026
- detected reCAPTCHA Jul 2026
- detected RSS Jul 2026
- detected Site Kit Jul 2026
- detected Swiper Jul 2026
- detected Twitter Emoji (Twemoji) Jul 2026
- detected WordPress Jul 2026
- dropped Slick Jan 2026
- dropped Apache HTTP Server Dec 2025
- dropped Contact Form 7 Dec 2025
- dropped core-js Dec 2025
- dropped HSTS Dec 2025
- dropped Priority Hints Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped WordPress Block Editor Dec 2025
- detected Font Awesome Nov 2025
- detected Google Tag Manager Nov 2025
- detected Microsoft Clarity Nov 2025
- detected Site Kit Nov 2025
- detected Slick Nov 2025