What powers 
ryugakukyokai.or.jp?
Last seen Jul 2026 · 18 technologies across 12 categories
Authentication
Facebook Login
since Sep 2021
CDN
jsDelivr
since Jul 2020
CMS
WordPress
since Mar 2020
Databases
MySQL
since Mar 2020
Font scripts
Google Font API
since Mar 2020
Twitter Emoji (Twemoji)
since Mar 2020
Hosting
Xserver
since Sep 2023
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Programming languages
PHP
since Mar 2020
Web servers
Nginx
since Sep 2023
WordPress plugins
Smash Balloon Instagram Feed
since Apr 2022
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.88 / 10 · ranked #669,773 of all domains
34 referring domains · OpenPageRank
Infrastructure
- Hosted on Xserver (85.131.221.92)
- DNS: Xserver
- Email: ryugakukyokai.or.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 9,197,073, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Unpkg Jul 2026
- detected Unpkg May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped FingerprintJS Nov 2025
- dropped Twitter Nov 2025
- dropped Twitter Ads Nov 2025