What powers spec.ed.jp?
Last seen Jun 2026 · 29 technologies across 21 categories
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since Mar 2020
Audience
- 84% phone
- 16% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.40 / 10 · ranked #23,760 of all domains
762 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.5 MB · 31 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| koshigayakita-h.spec.ed.jp | 14 |
| monjo.spec.ed.jp | 13 |
| geiso-h.spec.ed.jp | 11 |
| kisai-sh.spec.ed.jp | 11 |
| kurihashihokusai-h.spec.ed.jp | 11 |
| ohmiya-sd.spec.ed.jp | 11 |
| sakado-sd.spec.ed.jp | 11 |
| sugito-h.spec.ed.jp | 11 |
| urawa-ch.spec.ed.jp | 11 |
| ageotokubetusienbunkou-sh.spec.ed.jp | 10 |
| asaka-h.spec.ed.jp | 10 |
| chichibu-h.spec.ed.jp | 10 |
| fudooka-h.spec.ed.jp | 10 |
| fujimino-h.spec.ed.jp | 10 |
| fukaya1-h.spec.ed.jp | 10 |
| hanyufuji-sh.spec.ed.jp | 10 |
| hasudashouin-h.spec.ed.jp | 10 |
| hatogaya-h.spec.ed.jp | 10 |
| hidaka-h.spec.ed.jp | 10 |
| izumi-h.spec.ed.jp | 10 |
| kagayaki-sh.spec.ed.jp | 10 |
| kasujo-h.spec.ed.jp | 10 |
| kasukabehigashi-h.spec.ed.jp | 10 |
| kawaguchihigashi-h.spec.ed.jp | 10 |
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Recent changes
- dropped Amazon ALB Jun 2026
- dropped Amazon Web Services Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped jQuery CDN May 2026
- detected Amazon ALB Apr 2026
- detected Amazon Web Services Apr 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025