The hook is your entire post
Most LinkedIn posts die in the first line. Not because the content was bad — because the opener gave no reason to hit “see more”. The hook is not the introduction. It is the decision.
LinkedIn truncates every post after three lines.1The reader sees the hook, makes a judgment, and either taps “see more” or keeps scrolling. That decision happens in under two seconds. Everything that follows — the insight, the story, the CTA — is invisible until the hook earns it.
This is why “I want to share something with you today” is a death sentence for a post. Not because it sounds corporate. Because it burns the hook on zero information. The reader learns nothing, feels nothing, and has no reason to continue.
Reader attention
2 sec
is roughly how long a reader spends on a feed item before deciding to engage or scroll past.1
The test is simple: read only your first line. Does it contain a claim, a contradiction, a number, or a tension? If not, rewrite before you post.
High-density hooks compress real signal into the first sentence. Not hype — signal. The reader should be able to tell, from line one, exactly what kind of post this is and why it might be worth their next thirty seconds.
Five hook shapes that earn the scroll.
There is no single formula — readers tune them out when they see the same structure every day. But there are five reliable shapes. Mix them.
01
The counterintuitive claim
State something true that most people think is wrong. Forces a mental check. "Posting every day will hurt your reach — here is the data."
02
The specific number
Precision signals evidence. "We reviewed 1,400 posts. 93% opened with a question. 94% underperformed the category average."
03
The named tension
Two things that seem to conflict. "Senior executives get more engagement with shorter posts. They also have more to say. Here is how to square it."
04
The direct assertion
A clean, confident statement with no hedging. "Hooks that ask questions perform below average. Stop starting with a question."
05
The scene-setter
A real situation, immediately specific. "Last Tuesday a founder showed me a post they had spent two hours writing. It got four likes. I showed them why in eight minutes."
The patterns that predictably fail.
Context-setting openers bury the point. “As someone who has spent 15 years in B2B sales...” tells the reader nothing useful about what is coming. They have to trust you already for that to work. If they trusted you already, the hook did not do the work.
Vague promises waste the slot. “This changed everything for me.” What changed? Everything is not a claim. It is a delay.
And questions — used as hooks — perform below category average in almost every analysis we have run. A question transfers the cognitive load to the reader before you have given them any reason to carry it.2
Questions as hooks
–18%
average engagement delta vs the same post with an assertion in line one.
Context-setting openers
–22%
average engagement delta vs posts that lead with the insight, not the credentials.
The fix in both cases is the same. Move the point to line one. Trust the reader to follow. The context can come later, once you have earned their attention.
Your voice is what makes the hook yours. The same claim written by two people will land differently based on word choice, rhythm, and what they already know about you. Calibrate for your voice — not for a trending template.
Write in your real voice
Social Ninja scores every hook before you post.
Train the voice engine on how you actually write. Get density-first drafts and quality scores that flag weak openers before they go out.