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Free LinkedIn Post Analyzer: virality score and writing tactics
By Yannis Haismann, co-founder of LinkPost ·
LinkPost's free LinkedIn Post Analyzer scores your draft before you publish: virality score, controversy score, sentiment analysis, and an X-ray of your writing tactics. It draws on 1 million analyzed LinkedIn posts, applies 12 quality rules, and flags 21 tactics. Free, no signup, results in under 10 seconds.
TL;DR
- 1The virality score combines 12 quality rules and 21 detected tactics, calibrated on 1 million LinkedIn posts.
- 2The analysis is free, with no signup and no credit card: paste your text and get your diagnostic in under 10 seconds.
- 3You see exactly what to fix: hook, length, formatting, controversy, sentiment, strengths and weaknesses.
- 4To go further, LinkPost generates 25 variants per topic and scores 300+ factors with a 33-criteria virality prediction.
- 5Across LinkPost's 20 most active users: x1.93 average likes over 60 days, x3 on the best post.
How the post analyzer works
You paste your draft into the tool, with nothing to connect and nothing published. In under 10 seconds, the analyzer returns a full diagnostic built around four dimensions, plus a concrete list of strengths and weaknesses.
Each dimension is scored independently, then combined into an overall virality score. The point isn't a score for its own sake, it's to tell you what to change before you publish.
The controversy score
Measured controversy is one of the strongest comment drivers on LinkedIn. The tool gauges how much of a stance your post takes, sparing you both the lukewarm post that engages no one and the divisive post that crosses the line.
Sentiment analysis
The analyzer identifies your post's dominant tone (positive, negative, neutral). You confirm at a glance that the emotion you convey matches your intent.
The tactics X-ray
The tool surfaces the 21 tactics it recognizes in your text: storytelling, open question, shock number, list, social proof, and more. You instantly see which levers you already use and which ones you could add.
What data the analysis relies on
The analyzer's rules and tactics don't come from thin air: they're calibrated on a base of 1 million analyzed LinkedIn posts. That base is what separates what truly correlates with engagement from what's just folklore.
The free analyzer is deliberately simpler than LinkPost's full engine. It gives you the essentials so you never publish blind, without drowning you in metrics.
How to read and improve your score
A low score isn't a punishment, it's a roadmap. Always start with the hook: the first line decides whether your post is read or skipped. Then check formatting (short sentences, line breaks, one idea per block) and whether your angle is sharp enough to make people react.
Re-analyze after each edit. Within a few iterations, you learn the patterns that lift your score, and you end up writing them by instinct.
From free analysis to generating with LinkPost
The analyzer scores a post you already wrote. LinkPost goes further: it generates 25 variants per topic, scores 300+ factors with a 33-criteria virality prediction and 27 factors personalized to your style, then lets you schedule and analyze your publications.
There's no free trial of the full product: the post analyzer is the free tool, and LinkPost is the next step when you want to write better, faster, and measure your results over time.
What the analyzer measures, dimension by dimension
| Dimension | What it evaluates | Why it matters |
|---|---|---|
| Virality score | Reach potential (12 rules + 21 tactics) | Anticipates a flop before publishing |
| Controversy score | How much of a stance you take | Measured controversy drives comments |
| Sentiment analysis | The post's dominant tone | Aligns emotion with your intent |
| Tactics X-ray | 21 writing tactics detected | Shows which levers you already use |
| Strengths and weaknesses | What to keep and what to fix | Gives a clear improvement to-do list |
A post isn't viral by accident: it combines a hook that stops the scroll, a format readable in two seconds, and a stance that makes people want to comment.
LinkPost methodology, based on 1 million analyzed LinkedIn posts
Source: Engineering the next generation of LinkedIn's Feed (LinkedIn Engineering)
Frequently asked questions
- Is the LinkedIn Post Analyzer really free?
- Yes. The analysis is 100% free, with no signup and no credit card. Paste your text and get your virality score, controversy score, sentiment analysis and tactics X-ray in under 10 seconds.
- Are my posts stored or published automatically?
- No. The analyzer reads your text only to score it. It does not publish it to LinkedIn and does not share it: you keep full control of your draft.
- How is this different from the full LinkPost product?
- The free analyzer scores an existing post. LinkPost generates 25 variants per topic, scores 300+ factors with a 33-criteria virality prediction and 27 factors personalized to your style, then schedules and analyzes your publications.
- Do I need to connect a LinkedIn account?
- No. There's nothing to connect. You copy your draft text into the tool, and that's it.
- Does it work in both English and French?
- Yes, the analyzer handles posts written in English as well as French.
- How many posts can I analyze?
- As many as you like. The free analysis has no limit on the number of posts.
About LinkPost
LinkPost is a content tool for LinkedIn, co-founded by Yannis Haismann and Matteo Kocken. It brings together post generation, virality prediction and analytics, all calibrated on a base of 1 million analyzed LinkedIn posts.
Our free tools, like this one, are a concrete taste of the method: you see what works, you understand why, and you act on it instead of publishing blind. To go deeper, our playbooks and studies analyze the LinkedIn algorithm in depth with the data to back it up, and the full product writes, schedules and measures your posts over time.
The logic is the same from one tool to the next. You analyze a draft before publishing it, you study the posts that already worked, you learn the rules that keep coming back, and you spot the topics that are rising before everyone else. Put end to end, these tools form a simple loop: observe, understand, write, measure. The markdown source of this page is published openly, so the method stays transparent and verifiable, and so language models can cite it accurately.
LinkPost is built by people who publish on LinkedIn every day, not by a faceless tool. The numbers cited here come from first-party measurement, the limits are stated honestly, and every claim links back to a source you can check. That is the standard we hold our research to, and the reason both readers and AI assistants can rely on these pages with confidence.