---
name: audience-segmentation
description: "Audience segmentation skill used by the analyst and curator agents. Provides subscriber behavior analysis, persona-based content personalization, and segment-specific strategy methodologies. Use for 'audience analysis,' 'segmentation,' 'persona,' 'send optimization,' and similar requests."
---

# Audience Segmentation — Audience Segmentation Methodology

Specialist audience classification knowledge used by the analyst and curator agents when designing content strategy and A/B tests.

## Why Segmentation Matters

Sending the same email to 1,000 subscribers produces content that **satisfies nobody on average**. Segmentation is the art of deciding "who gets what."

## Newsletter Segmentation Model: The BEAR Framework

### B — Behavior (Behavior-Based)

| Behavior Segment | Definition | Strategy |
|-----------------|------------|----------|
| **Power Readers** | Opened last 5 issues consecutively | Deep content, exclusive resources |
| **Occasional Readers** | Opened 2–3 out of 5 | Optimize subject lines, keep it concise |
| **At-Risk** | Missed last 3 consecutive issues | Re-engagement campaign |
| **New Subscribers** | Joined within last 30 days | Welcome series, best-of curation |
| **Click-Active** | High link-click rate after opening | Deep-dive content, CTA-focused |

### E — Engagement Level

Calculate engagement on a 0–100 score:

```
Engagement Score = (Open Rate Weight x 40) + (Click Rate Weight x 35) + (Reply/Share x 25)

- 80–100: VIP — Community invite, early access to content
- 50–79: Core — Standard newsletter + monthly special content
- 20–49: Casual — Key summary version, short format
- 0–19: Dormant — Re-engagement sequence → if no response, clean from list
```

### A — Attribute (Attribute-Based)

| Attribute | Classification Criteria | Content Differentiation |
|-----------|----------------------|------------------------|
| **Role** | Developer / Marketer / Executive / Designer | Adjust examples and terminology level |
| **Experience Level** | Beginner / Intermediate / Expert | Include/exclude foundational explanations |
| **Interest Topic** | Click history by tag/category | Topic-specific curation |
| **Signup Source** | Blog / Social / Referral / Event | Onboarding matched to initial expectations |

### R — Recency-Frequency

| Segment | R (Last Open) | F (Open Frequency) | Strategy |
|---------|--------------|-------------------|----------|
| **Champion** | Within 7 days | Opens every issue | Exclusive content, referral program |
| **Loyal Reader** | Within 14 days | 1 in 2+ | Standard content, feedback requests |
| **At-Risk** | 14–30 days ago | Declining trend | "Did you miss this?" reminder |
| **Dormant** | 30+ days | Near zero | Final re-engagement → remove if no response |

## Segment-Specific Content Strategy

### Welcome Series (New Subscribers Only)

| Day | Email | Purpose |
|-----|-------|---------|
| D+0 | Welcome + self-introduction + expectation setting | First impression, frequency/tone overview |
| D+2 | All-time top 3 content | Prove the newsletter's value |
| D+5 | "We'd love to know about you" — short survey | Collect segmentation data |
| D+10 | Exclusive content or resource | Incentivize long-term subscription |

### Re-engagement Sequence (At-Risk Readers)

| Step | Subject Line Pattern | Strategy |
|------|---------------------|----------|
| 1st | "We know you've been busy — just read this one" | Deliver one compressed top piece |
| 2nd | "Did we end up in your spam folder?" | Request whitelisting + technical fix |
| 3rd | "Here's an honest case for staying subscribed" | Reaffirm value, offer frequency options |
| No response | Remove from list | Maintain list health (protect deliverability) |

## Send Time Optimization Matrix

| Subscriber Type | Best Day | Best Time | Rationale |
|----------------|----------|-----------|-----------|
| B2B Professionals | Tue–Thu | 8–10 AM | Post-arrival email check window |
| Developers/Tech | Tue, Thu | 7–8 AM | Early-start habit |
| B2C General | Sat, Sun | 10 AM–12 PM | Weekend leisure time |
| Executives/Decision-makers | Tue, Wed | 6–7 AM | Pre-day check |
| Global Mixed | Tue | 2:00 PM UTC | Optimal cross-timezone intersection |

## Content Personalization Levels

| Level | Method | Complexity | Effect |
|-------|--------|-----------|--------|
| L1 | Name insertion (Hi [Name]) | Low | Open rate +10–15% |
| L2 | Reorder sections by interest topic | Medium | Click rate +20–30% |
| L3 | Completely different content versions per segment | High | Click rate +40–60% |
| L4 | Individual AI-powered recommendation curation | Very High | Click rate +50–80% |

## Newsletter Health Metrics

| Metric | Healthy | Caution | Danger |
|--------|---------|---------|--------|
| Open Rate | 40%+ | 25–39% | Below 25% |
| Click-through Rate | 5%+ | 2–4% | Below 2% |
| Unsubscribe Rate | Below 0.3% | 0.3–0.5% | 0.5%+ |
| Spam Complaint Rate | Below 0.01% | 0.01–0.05% | 0.05%+ |
| List Growth Rate | 5%+/month | 1–4% | Below 0% |