What powers okubo-seifuku.com?
Last seen Jun 2026 · 11 technologies across 11 categories
Advertising
Twitter Ads
since Sep 2021
Analytics
Hosting
Sakura Internet
since Aug 2022
Load balancers
Amazon ALB
since Sep 2021
Operating systems
CentOS
since Jan 2019
PaaS
Amazon Web Services
since Sep 2021
Programming languages
Tag managers
Google Tag Manager
since Jun 2019
Web server extensions
Web servers
Widgets
Twitter
since Jun 2020
Audience
- 88% phone
- 12% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.50 / 10 · ranked #6,493,763 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.4 MB · 68 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.okubo-seifuku.com | 11 |
| okubo-seifuku.com | 9 |
Full technology history →
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Recent changes
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025