What powers kashiwa.ed.jp?
Last seen Aug 2026 · 17 technologies across 13 categories
Analytics
Google Analytics
since Jun 2020
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Programming languages
PHP
since Jan 2019
Retargeting
Google Remarketing Tag
since Jul 2021
Tag managers
Google Tag Manager
since Jul 2021
UI frameworks
Video players
YouTube
since Nov 2021
Web frameworks
CakePHP
since Aug 2021
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Oct 2021
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
Widgets
Wheelio
since Sep 2021
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
- 83% phone
- 15% desktop
- 3% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.23 / 10 · ranked #446,717 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.0 MB · 2 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Kazahaya chūgakkō in Kashiwa, Chiba
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on FJCLOUD-EAST FUJITSU LIMITED (164.70.23.179)
- DNS: d-53.info
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: GlobalSign, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 8,046,270, 73 hosts
- Verified with: Apple Business, Canva, GlobalSign, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.dai3-j.kashiwa.ed.jp | 12 |
| www.matsuba-j.kashiwa.ed.jp | 12 |
| www.tsuchi-e.kashiwa.ed.jp | 12 |
| www.dai2-e.kashiwa.ed.jp | 11 |
| www.dai2-j.kashiwa.ed.jp | 11 |
| www.dai3-e.kashiwa.ed.jp | 11 |
| www.dai4-e.kashiwa.ed.jp | 11 |
| www.dai7-e.kashiwa.ed.jp | 11 |
| www.hikari-j.kashiwa.ed.jp | 11 |
| www.it.kashiwa.ed.jp | 11 |
| www.kashiwaha-j.kashiwa.ed.jp | 11 |
| www.kaza-j.kashiwa.ed.jp | 11 |
| www.masuow-e.kashiwa.ed.jp | 11 |
| www.matsu1-e.kashiwa.ed.jp | 11 |
| www.sakasai-e.kashiwa.ed.jp | 11 |
| www.sakasai-j.kashiwa.ed.jp | 11 |
| www.taka-j.kashiwa.ed.jp | 11 |
| www.tanaka-j.kashiwa.ed.jp | 11 |
| www.toyo-j.kashiwa.ed.jp | 11 |
| www.tsuchis-e.kashiwa.ed.jp | 11 |
| www.yutaka-e.kashiwa.ed.jp | 11 |
| www.boe.kashiwa.ed.jp | 10 |
| www.dai1-e.kashiwa.ed.jp | 10 |
| www.dai5-e.kashiwa.ed.jp | 10 |