SIGNAL ANALYSIS
BLINK
TEST
Paste copy or a URL. 3 seconds.
Stops the scroll — or gets ignored.
// HOW IT WORKS
Paste a subject line, headline, post, or URL. We return an instant verdict on whether your opening hook stops attention or loses it — testing hook strength, not grammar or design.
After the result: ⚡ TRY IT FREE runs a deeper analysis in WHY.™ — or go deeper still with ◈ FULL DIAGNOSTIC.
// INPUT SIGNAL
LIMIT REACHED — TRY AGAIN LATER