What powers jur-school.net?
Last seen Jul 2026 · 14 technologies across 10 categories
Analytics
Google Analytics
since Aug 2022
CDN
jQuery CDN
since Apr 2024
jsDelivr
since Apr 2024
Font scripts
Google Font API
since Aug 2022
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
AMP
since Aug 2022
JavaScript libraries
Maps
Google Maps
since Feb 2023
Miscellaneous
Open Graph
since Oct 2022
Page builders
Web servers
Nginx
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.25 / 10 · ranked #67,187,835 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 2.5 MB · 60 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (133.125.30.237)
- DNS: Sakura Internet
- Email: jur-school.net
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 63,405,071
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped PHP Apr 2026