What powers y-shigaku.jp?
Last seen Aug 2026 · 31 technologies across 15 categories
Analytics
Google Analytics
since Sep 2022
CDN
CMS
Databases
MySQL
since Sep 2022
Font scripts
Hosting
Xserver
since Sep 2022
JavaScript libraries
Swiper
since Sep 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Feb 2024
Performance
LazySizes
since Sep 2022
Priority Hints
since Feb 2024
Programming languages
PHP
since Sep 2022
Security
Really Simple SSL & Security
since Jun 2024
reCAPTCHA
since Nov 2024
UI frameworks
Animate.css
since Sep 2022
Bootstrap
since Sep 2022
Web servers
Nginx
since Sep 2022
WordPress plugins
EWWW Image Optimizer
since Sep 2022
SiteOrigin Widgets Bundle
since Sep 2022
TablePress
since Sep 2022
WordPress themes
FameThemes OnePress
since Sep 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 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
1.91 / 10 · ranked #3,837,433 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0.25 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Infrastructure
- Hosted on Xserver (202.254.236.92)
- DNS: Xserver
- Email: y-shigaku.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 19,150,468, 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
- detected Twitter Emoji (Twemoji) Dec 2025