What powers justincase.jp?
Last seen Jun 2026 · 60 technologies across 27 categories
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Google Optimize
since Jun 2021
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WebFactory Maintenance
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Audience
- 77% phone
- 23% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.72 / 10 · ranked #300,487 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 250 ms |
| CLS | 0.25 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Vercel
- Weight: 3.1 MB · 40 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| daido-life-corona.justincase.jp | 23 |
| blog.justincase.jp | 21 |
| medical.justincase.jp | 21 |
| simple-medical.justincase.jp | 21 |
| p2p-cancer.justincase.jp | 20 |
| healthscore.justincase.jp | 19 |
| hokengoto.justincase.jp | 19 |
| justincase.jp | 19 |
| smagoto.justincase.jp | 19 |
| guide.justincase.jp | 18 |
| portal.justincase.jp | 17 |
| news.justincase.jp | 16 |
| accident.justincase.jp | 14 |
| hospitalization.justincase.jp | 13 |
| smartphone.justincase.jp | 10 |
Full technology history →
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