What powers project21.kr?
Last seen Jun 2026 · 40 technologies across 15 categories
Analytics
ConvertFlow
since Oct 2021
Google Analytics
since Jan 2019
Naver Analytics
since Feb 2022
TikTok Pixel
since Mar 2023
CDN
Amazon S3
since May 2022
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Feb 2024
Unpkg
since Oct 2021
Ecommerce
Cafe24
since May 2020
Cart Functionality
since Aug 2020
Font scripts
Google Font API
since Jan 2019
Issue trackers
Sentry
since Apr 2026
JavaScript frameworks
JavaScript libraries
FingerprintJS
since Jan 2021
jQuery UI
since Jan 2019
Moment.js
since Oct 2024
Swiper
since Sep 2022
Live chat
Channel.io
since Jan 2025
Marketing automation
Mautic
since Jan 2024
Miscellaneous
PaaS
Amazon Web Services
since May 2022
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Webmail
Google Workspace
since Aug 2022
Audience
- 58% phone
- 42% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.20 / 10 · ranked #9,889,684 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0.2 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 69.1 MB · 288 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.project21.kr | 33 |
| project21.kr | 32 |
| m.project21.kr | 26 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Sentry Apr 2026
- detected lit-element Jan 2026
- detected lit-html Jan 2026
- dropped Microsoft Clarity Jan 2026