What powers letmeup.co.kr?
Last seen Aug 2026 · 20 technologies across 11 categories
Analytics
Naver Analytics
since Aug 2022
CDN
Font scripts
Google Font API
since Jul 2021
JavaScript frameworks
JavaScript libraries
Live chat
Channel.io
since Dec 2022
Miscellaneous
Operating systems
Ubuntu
since Jul 2021
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Node.js
since Jul 2021
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 93% phone
- 7% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.22 / 10 · ranked #76,755,064 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Korean
- CDN: Amazon CloudFront
- Weight: 1.1 MB · 45 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| kiosk.letmeup.co.kr | 12 |
| letmeup.co.kr | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Channel.io Jul 2026
- dropped cdnjs Jan 2026
- dropped Channel.io Jan 2026
- dropped Cloudflare Jan 2026
- dropped Google Analytics Jan 2026
- dropped Iamport Jan 2026
- dropped jQuery CDN Jan 2026
- dropped Lodash Jan 2026
- dropped Datadog Dec 2025