LinkedIn's Social Selling Index (SSI) is a score from 0 to 100 that measures how effectively you use LinkedIn across four pillars: establishing your professional brand, finding the right people, engaging with insights, and building relationships..
Definition
LinkedIn's Social Selling Index (SSI) is a score from 0 to 100 that measures how effectively you use LinkedIn across four pillars: establishing your professional brand, finding the right people, engaging with insights, and building relationships.
While LinkedIn doesn't officially confirm SSI affects feed ranking, users with higher SSI scores consistently report better reach and engagement. More practically, it's a useful framework for evaluating whether you're using LinkedIn strategically or just passively scrolling.
A sales professional checks their SSI score and finds it at 45/100. Their weakest pillar is 'engaging with insights' (sharing and commenting on content). They commit to commenting on 5 industry posts per day for a month. Their SSI rises to 68 and their post reach increases 40%.
Key Takeaway: Focus on your weakest SSI pillar first — improving from 45 to 68 is easier than 68 to 90 and delivers a bigger reach boost.
Check your SSI score at linkedin.com/sales/ssi — it's free for all LinkedIn users.
Focus on your weakest pillar first for the fastest improvement.
A score above 70 puts you in the top 10% of your industry on LinkedIn.
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Category
6 terms in this category
Social Media Algorithm
A social media algorithm is the automated system each platform uses to rank and distribute content to users.
Engagement Rate
Engagement rate is the percentage of your audience that interacts with your content through likes, comments, shares, saves, and clicks.
Organic Reach
Organic reach is the number of unique people who see your content without any paid promotion.
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