What powers osk21.co.jp?
Last seen Jun 2026 · 24 technologies across 17 categories
Advertising
Yahoo Advertising
since Apr 2022
Analytics
Google Ads Conversion Tracking
since Jul 2021
Microsoft Clarity
since Dec 2023
Authentication
Facebook Login
since Jun 2021
CDN
Google Hosted Libraries
since Feb 2022
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since Jan 2019
SEO
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
Nginx
since Jan 2019
Widgets
Facebook
since Jan 2019
FlexSlider
since Jul 2022
WordPress plugins
MetaSlider
since Feb 2022
Audience
- 82% phone
- 18% desktop
Japan
South Korea
Hong Kong SAR China
China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.49 / 10 · ranked #403,353 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 8.8 MB · 107 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| osk21.co.jp | 19 |
| www.osk21.co.jp | 17 |