DATA PLATFORM · K-POP
KPOP Ranker
A data-driven service for tracking global K-POP charts and managing your favorite artists' portfolios in one place
KPOP Ranker — 20s Overview
Project Video
Overview
A real-time monitoring platform aggregating data from Spotify, YouTube, Melon, and other major charts. Fans can register favorite artists like a portfolio and track ranking changes and trends at a glance. Designed with extensible architecture for B2B API and agency/media data solutions.
Our Role
Service Planning · UX/UI Design · Backend API · Frontend · Data Crawling Pipeline · Infrastructure
Tech Stack
The Challenge
- 1Data fragmentation — 8+ platforms with no single source of truth
- 2No cross-chart analysis — #1 on Melon but #50 on Spotify
- 3Stale data — once-daily updates miss 4x daily Korean chart movements
- 4No portfolio tools for tracking specific artists over time
Our Solution
- ✓Multi-crawler architecture with dedicated crawlers per source, staggered schedules
- ✓Weighted scoring formula combining rank position and chart presence
- ✓Smart caching with 94% performance improvement via cache warming
- ✓Dual visualization — D3.js bubble charts + Chart.js trend lines
Key Features
8-Chart Aggregation
Melon, Genie, Bugs, FLO, Spotify, Apple Music, Last.fm, YouTube Music
17 Daily Crawls
Staggered schedules capturing real-time chart movements
D3 Bubble Chart
Force-directed visualization with view count as radius
Artist Portfolio
Personal watchlist with trend alerts and cross-chart analysis
Architecture
Live Metrics
8
Chart Sources
400+
Tracks Per Cycle
17
Daily Crawl Runs
<200ms
API Response (cached)
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