What powers oura.co.jp?
Last seen Aug 2026 · 23 technologies across 12 categories
Analytics
Google Analytics
since Mar 2020
CDN
cdnjs
since Sep 2023
Cloudflare
since Sep 2023
Google Hosted Libraries
since Aug 2022
jsDelivr
since Sep 2023
Unpkg
since Sep 2023
CMS
WordPress
since Mar 2020
Databases
MySQL
since Mar 2020
Font scripts
Twitter Emoji (Twemoji)
since May 2020
JavaScript frameworks
JavaScript libraries
Marketing automation
BowNow
since Jul 2026
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Mar 2020
SEO
Web servers
Apache HTTP Server
since Mar 2020
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.65 / 10 · ranked #2,244,485 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 4.3 MB · 70 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- detected Axios Jul 2026
- detected BowNow Jul 2026
- detected crypto-js Jul 2026
- detected Day.js Jul 2026
- detected Twitter Emoji (Twemoji) Dec 2025