What powers keio.jp?
Last seen Jun 2026 · 29 technologies across 17 categories
Analytics
Google Analytics
since Nov 2022
CDN
IaaS
Google Cloud
since May 2021
JavaScript frameworks
React
since Mar 2023
JavaScript libraries
LMS
Canvas LMS
since Mar 2023
Miscellaneous
Operating Systems
Programming languages
Rich text editors
Security
HSTS
since Sep 2022
UI frameworks
Video players
Web frameworks
Ruby on Rails
since Mar 2023
Web server extensions
Web servers
Webmail
Google Workspace
since Aug 2022
Audience
- 75% desktop
- 25% phone
Japan
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.46 / 10 · ranked #934,269 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.2 MB · 12 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| lms.keio.jp | 17 |
| act2.keio.jp | 9 |
| auth.keio.jp | 7 |
| fresh.keio.jp | 7 |
| portal.keio.jp | 7 |
| www.edu.keio.jp | 7 |
| gacad.keio.jp | 6 |
| wifi.keio.jp | 5 |
| www.keio.jp | 4 |