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What is engagement on LinkedIn?
Posted by on March 15, 2026 at 8:09 amEveryone talks about "boosting engagement" but nobody actually breaks down what that means practically. Likes, comments, shares, clicks they all count differently and yet most people treat them the same.
From what I have seen comments carry the most weight both for the algorithm and for actual human memory. When someone leaves a genuinely thoughtful comment I remember their name way longer than whoever wrote the original post. Is that just me or does anyone else experience linkedIn that way?
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1 Reply
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Comments are just free networking that most people ignore.
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I never thought about it this way until I noticed my own behavior. I’ll forget a post in an hour but remember a commenter for weeks. Says everything really.
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The way I see it a like is a nod, a share is a handshake, but a comment is an actual conversation. LinkedIn’s algorithm rewards dwell time and replies, and nothing creates that chain like a good comment thread. Most people optimizing for “engagement” are just chasing likes which is honestly the weakest signal of the three.
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i think comments get all the credit but saves are the real sleeper. linkedin doesn’t show them publicly so nobody talks about them, but i’ve had posts with barely any likes get pushed way harder than ones with tons of reactions, and the only difference i could see was saves.
the commenter thing you mentioned is real though. i’ll forget who posted something but remember who left a good comment on it for weeks. some people figured this out and their whole strategy is just commenting on other people’s stuff. never posting themselves. arguably better ROI tbh.
the other thing nobody talks about is that linkedin clearly treats long comments differently than “great post!” replies. like it’s not even close. one thoughtful comment from someone with a decent network can do moren for a post’s reach than 30 fire emojis
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I’ve noticed the same. Like are easy and happen almost automatically, but comments usually mean someone actually read and thought about the post.
From an algorithm perspective, comments and meaningful discussion tend to push post further because they signal real interaction.
Share are probably the strongest signal though, since someone is putting your content in front of their own network.
So practically it’s something like: Likes = light interest, comments = real engagement, shares = strongest signal.
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