What powers sendaiikuei.ed.jp?
Last seen Aug 2026 · 17 technologies across 10 categories
Analytics
Google Analytics
since Jun 2018
CDN
cdnjs
since May 2022
Cloudflare
since May 2022
Google Hosted Libraries
since Aug 2022
jQuery CDN
since Mar 2022
Font Scripts
Google Font API
since Jul 2017
JavaScript Frameworks
JavaScript libraries
Maps
Google Maps
since Jul 2017
Operating systems
CentOS
since Jan 2021
Windows Server
since Mar 2022
Programming languages
UI frameworks
Web Servers
Apache HTTP Server
since Apr 2017
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
- 84% phone
- 14% desktop
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.74 / 10 · ranked #285,658 of all domains
69 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.3 MB · 9 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sendai Ikuei Gakuen Senior High School
- Founded: 1905
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on INFOSPHERE NTT PC Communications, Inc. (140.227.17.122)
- DNS: d-53.info
- Email: sendaiikuei.ed.jp
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 218,009, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sendaiikuei.ed.jp | 11 |
| www2.sendaiikuei.ed.jp | 7 |
| www3.sendaiikuei.ed.jp | 5 |