What powers lifeboat.or.jp?
Last seen Jun 2026 · 11 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
CDN
jsDelivr
since Mar 2025
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Swiper
since Mar 2025
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
Ubuntu
since Sep 2021
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Webmail
Google Workspace
since Aug 2022
Audience
- 88% phone
- 12% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.38 / 10 · ranked #1,031,713 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.6 MB · 49 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.