| Platform | Typical Metrics to Gauge | |----------|--------------------------| | | Followers, engagement rate (likes/comments per post). Visual aesthetic (high‑quality images, reels). | | YouTube | Subscriber count, watch time, video quality (production value, subtitles). | | Facebook Group | Active members, daily posts, moderation quality. | | Newsletter | Open rate (~20‑30% is good for niche lists), click‑through rate. |