What powers tatsumi-kagaku.com?
Last seen Jun 2026 · 12 technologies across 7 categories
Font scripts
Google Font API
since Apr 2019
JavaScript libraries
Operating systems
UNIX
since Jul 2023
Programming languages
Video players
YouTube
since Jun 2020
Web server extensions
Web servers
Audience
- 52% desktop
- 48% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.86 / 10 · ranked #4,018,727 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.2 MB · 55 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| tatsumi-kagaku.com | 12 |
| www.tatsumi-kagaku.com | 11 |