What powers 1round.jp?
Last seen Jun 2026 · 19 technologies across 13 categories
Analytics
Google Analytics
since Jun 2021
Microsoft Clarity
since Oct 2024
CDN
cdnjs
since Nov 2021
Cloudflare
since Jun 2026
Font scripts
Google Font API
since Jun 2021
Hosting panels
Plesk
since Oct 2024
JavaScript libraries
Operating systems
CentOS
since Jun 2021
Programming languages
PHP
since Sep 2021
Security
reCAPTCHA
since Sep 2021
Tag managers
Google Tag Manager
since Jun 2021
UI frameworks
Tailwind CSS
since Jun 2026
Web frameworks
CodeIgniter
since Sep 2021
Web server extensions
Web servers
Nginx
since Oct 2024
Audience
- 95% phone
- 5% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.40 / 10 · ranked #2,686,803 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.8 MB · 24 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| r.1round.jp | 14 |
| 1round.jp | 10 |
Full technology history →
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Recent changes
- detected cdnjs Jun 2026
- detected Cloudflare Jun 2026
- detected Font Awesome Jun 2026
- detected Tailwind CSS Jun 2026