# Platform Algorithms

How social media algorithms rank and distribute content.

## Instagram Algorithm

### Key Signals
- **Engagement velocity**: Fast engagement = more reach
- **Saves and shares**: Weighted heavily
- **Watch time**: For Reels especially
- **Relationship**: Past interactions with viewer

### Optimization
- Post when audience is active
- Use all features (Stories, Reels, Posts)
- Encourage saves with valuable content
- Respond to comments quickly

## TikTok Algorithm

### Key Signals
- **Watch time**: Most important factor
- **Completion rate**: Full watches matter
- **Replays**: Signals high value
- **Shares**: Strong distribution signal

### Optimization
- Hook in first 1-3 seconds
- Keep videos short initially
- Use trending sounds
- Post 1-3 times daily
- Engage in comments

## LinkedIn Algorithm

### Key Signals
- **Dwell time**: Time spent reading
- **Comments**: Especially meaningful ones
- **Shares with commentary**: Personal takes
- **Relevance**: To your network

### Optimization
- Write long-form posts (1000+ chars)
- Use line breaks and formatting
- Ask questions at the end
- Respond to every comment
- Post during business hours

## Twitter/X Algorithm

### Key Signals
- **Replies**: Conversation starters
- **Retweets**: With and without comment
- **Impressions**: Overall reach
- **Profile clicks**: Interest signals

### Optimization
- Tweet 3-5 times daily
- Use threads for long content
- Engage with others in niche
- Time tweets for US hours
- Include media when relevant

## Facebook Algorithm

### Key Signals
- **Meaningful interactions**: Comments, shares
- **Content type**: Video prioritized
- **Relationship**: Friends/family first
- **Recency**: Newer content favored

### Optimization
- Focus on groups
- Use video content
- Encourage discussion
- Go live regularly
- Share personal stories
