What powers otawa.org?
Last seen Jun 2026 · 13 technologies across 11 categories
Analytics
Google Analytics
since Aug 2022
CDN
Google Cloud CDN
since May 2026
Databases
Firebase
since Aug 2022
Font scripts
Google Font API
since Aug 2022
Hosting
Sakura Internet
since Aug 2022
IaaS
Google Cloud
since Aug 2022
JavaScript frameworks
Miscellaneous
HTTP/3
since May 2026
Open Graph
since Sep 2022
Page builders
STUDIO
since Aug 2022
Programming languages
Node.js
since Aug 2022
Tag managers
Google Tag Manager
since Aug 2022
Audience
- 77% phone
- 23% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.15 / 10 · ranked #10,462,056 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4 s |
| CLS | 0.05 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 4.9 MB · 129 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Cloud CDN May 2026
- detected HTTP/3 May 2026
- dropped Priority Hints May 2026
- detected Priority Hints Feb 2026