What powers duo.co.kr?
Last seen Jun 2026 · 20 technologies across 11 categories
Advertising
Analytics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Mobile frameworks
jQuery Mobile
since Oct 2021
Security
HSTS
since Jan 2026
Segmentation
Adobe Audience Manager
since Jun 2023
Tag managers
Google Tag Manager
since Jun 2019
Video players
YouTube
since Jun 2018
Web frameworks
Microsoft ASP.NET
since Feb 2021
Web servers
Audience
- 98% phone
- 2% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.63 / 10 · ranked #2,271,552 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 28.7 MB · 367 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.duo.co.kr | 17 |
| m.duo.co.kr | 16 |
| m.members.duo.co.kr | 5 |
| members.duo.co.kr | 4 |
Full technology history →
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Recent changes
- detected HSTS Jan 2026