What powers only1.co.kr?
Last seen Jun 2026 · 29 technologies across 18 categories
A/B Testing
Google Optimize
since Dec 2022
Advertising
Analytics
CDN
Unpkg
since Aug 2023
Font scripts
Font Awesome
since Dec 2022
JavaScript frameworks
React
since Dec 2022
JavaScript libraries
Live chat
Channel.io
since Dec 2022
Load balancers
Amazon ALB
since Jan 2024
Miscellaneous
Open Graph
since Dec 2022
PaaS
Amazon Web Services
since Dec 2022
Performance
Priority Hints
since Jun 2025
Programming languages
Node.js
since Sep 2023
Tag managers
Google Tag Manager
since Dec 2022
UI frameworks
Tailwind CSS
since Jun 2025
Video players
JW Player
since Jun 2025
Web servers
Widgets
FlexSlider
since Dec 2022
Audience
- 61% phone
- 37% tablet
- 2% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.32 / 10 · ranked #8,358,598 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 47.0 MB · 388 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| m.only1.co.kr | 20 |
| www.only1.co.kr | 19 |
| kids.only1.co.kr | 10 |
| kids4school.only1.co.kr | 7 |
| kidscrm.only1.co.kr | 7 |
Full technology history →
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Recent changes
- detected Criteo Dec 2025