A free Facebook post analyzer that scores your post against 1,432 real Facebook posts, shows it in Facebook's feed, and reads any post's numbers from its link.
5.0(1 rating)Write a post or paste a link to one. You see it in Facebook's feed, scored by a model trained on 1,432 real Facebook posts, and checked part by part.
Your post
How it looks on Facebook
Post: photo, picture, name and badge
The score
What the posts say
On 96 pages it never saw, the post with the higher score got more reactions 54% of the time, in 3,900 pairs with a clear winner. A coin flip gets half, so use the score to pick between versions you like. Where the data comes from · It reads English posts.
Make it better
What you write stays in this browser, and the score runs on your device. A link is read on my server, and only the post and its numbers come back.
This free Facebook post analyzer scores your post with a model trained on 1,432 real Facebook posts from 102 pages.
Write a post or paste a link to one. You see it in Facebook's own feed, on a real post or on your own account, with the parts that helped or hurt in real posts. A link also gets its real numbers against the page's typical post.
Here's what a Facebook post analyzer is, how the score works, what 1,432 Facebook posts show, and how to write posts that beat your own usual.
What is a Facebook post analyzer?
A Facebook post analyzer checks a post before you post it, or after, and shows what to change.
Most score against rules someone wrote, or ask an AI to guess. This one scores against what won: posts from the same page, posted within 30 days of each other, where one got at least twice the reactions of the other.
How the score works
The analyzer measures 25 parts of your post: its first line, its length, numbers, lists, "I" and "you", links, hashtags, mentions, pictures and more.
A model weighs each part by how often it won those matchups. Your score says where your post lands among all 1,432: 70 means it beats 70% of them.
How accurate it is
I tested it 5 times. Each time the model learned from 4 in 5 of the 96 pages and was graded on the fifth, which it never saw, so every page was graded once.
Across those tests, the post it scored higher got more reactions 54% of the time, in 3,900 pairs where one post got at least twice the other's reactions. A coin flip gets 50%.
That's a hint, not a promise. The topic, the timing and the picture itself aren't in the score, and they matter more than the wording.
What 1,432 Facebook posts show
In pairs of posts from the same page, where one got at least twice the reactions, this is how often the post with each part won:
- Won
- 65%
- Pairs
- 285
- Won
- 56%
- Pairs
- 989
- Won
- 54%
- Pairs
- 1,041
- Won
- 53%
- Pairs
- 1,102
- Won
- 46%
- Pairs
- 1,437
- Won
- 45%
- Pairs
- 568
- Won
- 45%
- Pairs
- 1,228
- Won
- 44%
- Pairs
- 970
- Won
- 44%
- Pairs
- 249
- Won
- 43%
- Pairs
- 384
- Won
- 43%
- Pairs
- 448
- Won
- 41%
- Pairs
- 913
- Won
- 41%
- Pairs
- 1,354
- Won
- 41%
- Pairs
- 1,309
- Won
- 30%
- Pairs
- 569
The biggest winners: an @mention (65%), a short post (56%) and an exclamation mark (54%). The biggest losers: a link (30%), "you" (41%) and a word in capitals (41%).
How long a Facebook post can be
Facebook allows far more than a feed post ever needs. What matters is the first lines people see before "See more", so lead with the point.
Read any post from its link
Paste a link to any public Facebook post, yours or anyone's, and the analyzer reads it for you: the text, the picture, the reactions, comments, shares and a video's views.
Then it reads the page's latest posts and compares. "4.1× this page's typical post" means the post got 4.1 times the median reactions of the page's recent posts.
That's the honest version of a virality score: not a guess about the wording, but how the post actually did against the page's own normal.
How to write posts that beat your usual
Here's what won most often in the data:
- Say it short. Under 100 characters, one idea. Posts with it won 56% of 989 pairs.
And what lost:
- Put the link in the first comment. Posts with a link won only 30% of 569 pairs.
- Drop the capitals. Posts with a word in capitals won only 41% of 1,354 pairs.
- Answer instead of asking in the first line. Posts that open with a question won only 41% of 913 pairs.
- Drop the ask. Posts with an ask won only 44% of 970 pairs.
Then post, and let your own numbers decide. Paste the link back in after a few days to see how it did against your usual.
Show Your Work!
by Austin Kleon
Show Your Work by Austin Kleon teaches how to share your creative process, build an audience, and get noticed without self-promotion.
I may earn a commission if you make a purchase, at no additional cost to you.

Where the data comes from
I read the latest public posts of 102 Facebook pages: creators from my creator directory, the creators in my research feed, and well-known creators in business, writing, AI, health and money. My own accounts are left out.
Replies, reposts and posts under 2 days old are left out too, because their numbers are still growing. That left 1,432 posts.
The model learned from pairs of posts by the same page within 30 days, so the audience was the same and the wording was the difference. Each page was graded by a version of the model that never saw it. The posts themselves stay private: only the model's weights and counts are published.
Ready to post it?
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Facebook Post Analyzer FAQs
Questions about the Facebook post analyzer? Here's what to know.
A Facebook post analyzer checks a post and shows what helps or hurts it.
This one scores against 1,432 real Facebook posts, not rules someone wrote.
It measures 25 parts of the post, like the first line, numbers, lists, links and pictures.
A model trained on pairs of posts from the same page weighs each part.
On 96 pages it never saw, the post it scored higher got more reactions 54% of the time, in 3,900 clear pairs.
A coin flip gets 50%, so use it to pick between versions you like.
In the data, posts did better with an @mention (65%), a short post (56%) and an exclamation mark (54%).
They did worse with a link (30%), "you" (41%) and a word in capitals (41%).
In the data, a post with a link won only 30% of 569 pairs against a post from the same page without one.
Put the link in the first comment instead.
Yes, paste a link to any public Facebook post.
The Facebook post analyzer reads its numbers and compares them with the page's recent posts.
Yes, paste your Facebook link or username under the card and it pulls your photo and name.
You can also set them by hand.
Yes, the Facebook post analyzer is free, with no sign-up.
The score runs on your device.
What you write stays in your browser, so it's there when you come back.
A link is read on my server, and only the post and its numbers come back.
The make it an image tool helps too.
See all my free tools.
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