What powers seiai.ed.jp?
Last seen Aug 2024 · 19 technologies across 13 categories
Analytics
Blogs
WordPress
since Jun 2017
Databases
MySQL
since Jun 2018
Font Scripts
Google Font API
since Jun 2017
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
Security
reCAPTCHA
since Jun 2020
Video players
Web Servers
Apache HTTP Server
since Jun 2016
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
WordPress plugins
Smash Balloon Instagram Feed
since Feb 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 59% desktop
- 41% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.34 / 10 · ranked #1,082,922 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on ASJ ASJ INC. (219.118.218.250)
- DNS: admiral.ne.jp
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 1,199,624, 2 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| seiai.ed.jp | 19 |
| www.seiai.ed.jp | 18 |