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LAB / 01 · Live tool

5 Seconds Tester

Test whether a message is understood in five seconds—before traffic, polish or persuasion hide the problem.

Open tool
5 Seconds Tester interface
01 / EXPERIMENTS

01 / CONTEXT

The problem

Teams often debate whether a page communicates clearly without observing what people actually notice first. A five-second exposure reveals the message that survives before considered reading begins.

02 / CAPABILITIES

What it does

  1. 01

    Upload a design and run a focused first-impression test.

  2. 02

    Collect unaided recall instead of leading respondents.

  3. 03

    Review patterns in what people noticed, missed or misunderstood.

03 / SYSTEM

Privacy & architecture

A focused web application built with Next.js and TypeScript and deployed on Vercel.

Built with

  • Next.js
  • TypeScript
  • Vercel

04 / HONEST NOTES

Known limits

  • A five-second test measures immediate comprehension, not task usability.
  • Results need a clear research question and a relevant participant sample.