Teletext-Tools 812 — Reaction Time Test

TEST AREA

— MS

PRESS START

WAIT FOR GREEN

READY

CONTROLS

READY

Delay range

Rounds

READY — PRESS START

—

BEST

—

AVERAGE

0/0

ROUND

0

FALSE

BEST — • AVG — • FALSE 0

SUMMARY

Keys: SPACE=Start • R=Reset • C=Copy

INSTRUCTIONS

P812/2

1. Press START.

2. Wait for a random delay.

3. When it turns GREEN, click/tap instantly.

4. Clicking early = FALSE START.

5. BEST + AVERAGE shown in ms.

Tip: Don’t guess — react.

FAQ + SEO

P812/3

Updated: 2026-02-22

What is reaction time? Signal → response delay (ms).

Is lower better? Yes — fewer ms is faster.

Mobile? Yes — tap the big box.

Keywords: reaction time test • reflex test • response time • click speed • online reaction test