Use cases · X posts
Would they stop? Would they open the link?
Paste the post. We put it in a timeline between other posts and tell you whether people stop, whether they tap the link, and what they take from it.
Get early accessWhy it matters
A post gets a moment in a fast timeline.
One line, maybe a card. People decide in a beat whether it is for them, and most of the time it is not.
1.5 s
is what a post gets in the timeline
How it works
Test it where it lives.
Message
Ad
Web page
X post · @northwall
Text and link card
Paste the post.
Text, link card, picture. Add the version you would post today to compare.
Developers at fintech companies
Say whose timeline it shows up in.
“Developers at fintech companies.” We build the audience and the timeline around them.
0
of 300 have reacted
“Fine line. The card says the same thing twice.”
300 people scroll past, or stop.
Each one says whether they stopped, whether they tapped the link, and what they took away.
What you learn
Four things, every time.
Compared with your current post
Clearly stronger
Weaker
About the same
Clearly stronger
Which version is stronger.
Your new message against the current one: clearly stronger, about the same, or weaker.
First line
0%
Link card
0%
Handle
0%
Second sentence
0%
Would they stop.
Whether the first line earns a pause in a moving timeline.
Line is clear, card is dead weight
0%
“I got it from the line. The card added nothing.”
Wants the proof, not the promise
0%
“Ten minutes on what stack? Show me.”
What they take away.
What people think the post says, set against what you meant.
Keep the first line as it is
Put one proof point in the link card
Drop the second sentence
What to change.
Three concrete changes, each tied to something they read or skipped.
Your current version
Your new version
Clearly strongerYour current version
Your new version
Clearly strongerWhat you do with it
Fix the line before you post.
Say the one thing in the first line. Make the link card say it again. Post the version that won.
Get early accessYour audience
Who judges it.
Heads of security at mid-size European banks
Posts are judged by the people you want to reach: the right roles and interests, scrolling the way they really do.
See how audiences are builtTest your next launch on your customers first.
Your first audience can be ready this week.
Get early access