What powers yudofu.or.jp?
Last seen Aug 2026 · 20 technologies across 13 categories
CMS
WordPress
since Mar 2024
Databases
MySQL
since Mar 2024
Font scripts
Google Font API
since Jul 2025
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript libraries
Clipboard.js
since Jul 2025
Swiper
since Jul 2025
Miscellaneous
Open Graph
since Jul 2025
RSS
since Jul 2025
Page builders
WordPress Block Editor
since Apr 2025
Performance
Priority Hints
since Jul 2025
Programming languages
Security
Really Simple SSL & Security
since Apr 2025
UI frameworks
Web servers
Apache HTTP Server
since Mar 2024
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 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
1.83 / 10 · ranked #4,191,209 of all domains
5 referring domains · OpenPageRank
Page
- Language: Japanese
- Weight: 4.1 MB · 114 requests
- WordPress theme: lightning-pro (child: lightning-pro-child-sample) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on GMO Internet (118.27.125.236)
- DNS: Lolipop
- Email: Lolipop
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 25,324,413, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped AMP Dec 2025
- dropped AMP for WordPress Dec 2025