09 / 09PremiumRecommendations

Personalized News Feed

Rank posts and articles by predicted engagement, then re-rank for freshness, diversity and content moderation.

Read time
9 min
Diagrams
2 architecture
Key metric
Engagement rate
Difficulty
Hard
Engagement predictionCandidate generationFeed re-ranking
Personalized News Feed illustration

Step 01 · Problem statement

Interviewer

What is the core problem a Personalized News Feed system aims to solve, and what are its key challenges?

What's inside this design

  1. 01Problem Statement
  2. 02Identify Metrics
  3. 03Train and Evaluate Model
  4. 04Design the System
  5. 05Scale the Design
  6. 2 architecture diagrams