ReactionMetric
Measure browser-observed reaction time in repeatable five-trial sessions.
Measure browser-observed reaction time in repeatable five-trial sessions.
ReactionMetric browser reaction-time test homepage
Overview
What is ReactionMetric?
Measure browser-observed reaction time in repeatable five-trial sessions.
ReactionMetric is a free browser-based reaction-time benchmark. Complete five trials to see median, best and consistency results. The site explains how browser and device latency affect measurements. The core test works without mandatory signup.
Built with Codex, including AI-assisted code and graphics. The testing functionality uses ordinary browser timing and does not provide an AI inference feature. Results are informal browser-observed measurements, not clinical assessments.
Platforms and languages
ReactionMetric Availability
Platforms
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Capabilities
ReactionMetric Key Features
Repeatable five-trial reaction test
Respond to visual cues, complete five valid attempts, and see median, best and consistency results with browser and device timing limitations explained.
Plans and access
ReactionMetric Pricing
Free
The core browser reaction-time tests are free to use without mandatory signup.
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