What powers 
chibashigaku.jp?
Last seen Aug 2026 · 16 technologies across 11 categories
Analytics
Google Analytics
since Jun 2023
CMS
Databases
MySQL
since Jun 2023
Font scripts
Google Font API
since Jun 2023
Twitter Emoji (Twemoji)
since May 2024
Hosting
Xserver
since Jun 2023
JavaScript libraries
Miscellaneous
Open Graph
since Jun 2023
Programming languages
PHP
since Sep 2021
UI frameworks
Animate.css
since Jun 2023
Web servers
Nginx
since Jun 2023
WordPress plugins
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 81% phone
- 19% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.83 / 10 · ranked #702,853 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.1 MB · 92 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Xserver (162.43.104.63)
- DNS: Xserver
- Email: chibashigaku.jp
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 12,534,174
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
- detected Twitter Emoji (Twemoji) Dec 2025