Use the Focus Score Test — Real Timed Attention Test
Take a real 24-round timed go/no-go attention test in your browser — tap for every letter except X — and get a measured Focus Score with a shareable card.
- Free to use
- No signup
- Nothing to install
- Runs in your browser
Fast, accurate tapping with an average reaction time near 350ms and few slip-ups on X rounds produces a high Focus Score.Open the Focus Score Test — Real Timed Attention Test
Illustration. Open the tool for the real thing.
See it in action
The Focus Score Test — Real Timed Attention Test with sample data entered and the result showing.
What is the Focus Score Test — Real Timed Attention Test?
This is a real, timed sustained-attention test, not a self-report quiz: letters flash one at a time and you tap for every letter except X, across 24 rounds. It measures your actual reaction speed on go-trials and your accuracy at withholding taps on no-go (X) trials — a classic go/no-go paradigm used in real attention research, simplified for the browser.
Your measured average reaction time is converted to a percentile using a stated normal-distribution model anchored to an assumed ~400ms average go/no-go reaction time, blended with your raw accuracy into a single Focus Score out of 100.
3 steps to your result
Open the tool and follow along. Nothing to install.
What you get
Actual click/tap timing captured during 24 live rounds, not a self-report.
A simplified version of a real attention-research test design.
Blends measured speed and accuracy.
Challenge friends to beat your Focus Score.
AZRS tools are free to open and use.
It opens in your browser, so there is nothing to download.
Used for
Pick one to see how it fits.
How it compares
A plain look at this tool next to the usual alternative.
| This fun tool | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
| Where it runs | In your browser tab | On your computer |
Questions people ask
Is this a self-report quiz?
No, it's a real timed test — your actual clicks and reaction times during the test are measured, nothing is self-reported.
What's a go/no-go test?
A classic attention-research design where you respond to most stimuli (go trials) but withhold responding to a specific one (no-go trials, here the letter X).
How is the percentile calculated?
Your measured average reaction time is compared against a stated, assumed ~400ms average go/no-go reaction time using a normal-distribution model.
Is this a clinical ADHD or attention diagnosis?
No, it's a fun, simplified attention test for self-reflection, not a medical or clinical assessment.
Is my timing data stored?
No, all timing and scoring happens locally in your browser and is never uploaded.
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Try the Focus Score Test — Real Timed Attention Test now
A real in-browser go/no-go attention test with a measured, timed score. Free to use.
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