Definition
The Social Selling Index (SSI) is a LinkedIn-generated score from 0 to 100 that measures how effectively you use the platform across four dimensions: establishing your professional brand, finding the right people, engaging with insights, and building relationships. It updates daily and is often used as a directional proxy for social-selling effort.
Why it matters
SSI won't book meetings on its own, but the behaviors it rewards — a complete profile, targeted prospecting, useful engagement, and real relationships — are exactly the habits that make LinkedIn outreach land.
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