What powers fellows.tokyo?
Last seen Jun 2026 · 14 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating Systems
Windows Server
since May 2019
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Security
HSTS
since Sep 2022
Web Frameworks
Microsoft ASP.NET
since May 2019
Web Servers
Audience
- 87% phone
- 10% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.04 / 10 · ranked #539,268 of all domains
60 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 13.0 MB · 45 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| sp.fellows.tokyo | 8 |
| www.fellows.tokyo | 7 |
| system.fellows.tokyo | 3 |
Full technology history →
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Recent changes
- detected Nginx May 2026