{"opensite":"0.1","url":"https://reactionmetric.com/","canonical":"https://reactionmetric.com/","site":{"name":"ReactionMetric Reaction Time Test","web":"https://reactionmetric.com"},"kind":"product","title":"ReactionMetric Reaction Time Test","description":"ReactionMetric is a browser-based suite for reaction time, reflex, click-speed, keyboard/audio response, F1-style starts, and guided mouse double-click diagnostics.","image":{"url":"https://reactionmetric.com/assets/brand/og-default.png"},"language":"en","tags":["utilities","sports"],"feeds":[],"published_at":null,"modified_at":null,"fetched_at":"2026-10-29T07:33:18.551Z","status":"live","source":"read","cards":{"og":{"title":"Reaction Time Test: Check Your Speed in ms | ReactionMetric","description":"Test your reaction speed in five trials and see your median, average, best result, history, and measurement context.","url":"https://reactionmetric.com/","type":"website","image":"https://reactionmetric.com/assets/brand/og-default.png","image:type":"image/png","image:width":"1200","image:height":"630","image:alt":"ReactionMetric — Measure. 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One lucky click matters less than your five-trial median. For a 13-year-old, use age-specific evidence rather than a universal cutoff. See Average Reaction Time for broad context and Reaction Time by Age for age-specific evidence."}},{"@type":"Question","name":"Is a 100 ms reaction time possible?","acceptedAnswer":{"@type":"Answer","text":"A true 100 ms visual response is possible but exceptional. ReactionMetric excludes responses under 100 ms because they are too early to treat as reliable post-signal reactions. Scores near 100 ms should be repeated across several trials, since responding early, display timing and input hardware can all push a browser result downward. See the Methodology for the exact validity rules."}},{"@type":"Question","name":"Why is my score different on another test or device?","acceptedAnswer":{"@type":"Answer","text":"Because browser reaction tests measure the whole path from visual change to your input, not your nervous system alone. Different displays, refresh rates, mice, keyboards, browsers and test rules can shift the result. Compare repeated runs on the same setup first, then treat cross-site differences cautiously. See Science & Measurement Notes for why equal millisecond gaps are not always equivalent."}},{"@type":"Question","name":"Does monitor refresh rate affect my score?","acceptedAnswer":{"@type":"Answer","text":"Yes, it can affect the browser-observed number. A higher refresh rate can shorten the wait for a new frame to appear, which may reduce part of the measured delay, but it does not make your nervous system faster by itself. Keep the same display when tracking improvement, and see Science & Measurement Notes for device-stack limitations."}},{"@type":"Question","name":"Should I compare my best score or my median?","acceptedAnswer":{"@type":"Answer","text":"Use your five-trial median as the main benchmark. Your best click is useful as a ceiling, but it is more sensitive to luck and unusually early responses. The median better represents repeatable performance because one extreme trial has less influence. Use the best score as supporting context, and see the Methodology for why ReactionMetric makes median the headline result."}},{"@type":"Question","name":"Is this the same as a reflex test?","acceptedAnswer":{"@type":"Answer","text":"Not exactly. This page measures simple visual reaction time: one signal appears and you respond. The Visual Reflex Test adds spatial target detection and distractors, so it is a different browser task. Neither is a clinical neurological or tendon-reflex exam. If you want the target-finding version, use the Visual Reflex Test."}}]}]},{"@type":"WebSite","@id":"https://reactionmetric.com/#website","url":"https://reactionmetric.com/","name":"ReactionMetric","description":"Browser-based reaction time and visual reflex benchmark."},{"@type":"WebApplication","@id":"https://reactionmetric.com/#app","name":"ReactionMetric Reaction Time Test","url":"https://reactionmetric.com/","applicationCategory":"UtilitiesApplication","operatingSystem":"Any","browserRequirements":"Requires JavaScript","isAccessibleForFree":true,"offers":{"@type":"Offer","price":"0","priceCurrency":"USD"},"description":"A free five-trial browser reaction time test with median, average, best score, personal history, and measurement context."},{"@type":"FAQPage","@id":"https://reactionmetric.com/#faq","mainEntity":[{"@type":"Question","name":"What is a good reaction time?","acceptedAnswer":{"@type":"Answer","text":"On a simple visual browser test, a repeatable median around 200 ms is fast, around 170 ms is very fast, and roughly 250 ms is still common. One lucky click matters less than your five-trial median. For a 13-year-old, use age-specific evidence rather than a universal cutoff. See Average Reaction Time for broad context and Reaction Time by Age for age-specific evidence."}},{"@type":"Question","name":"Is a 100 ms reaction time possible?","acceptedAnswer":{"@type":"Answer","text":"A true 100 ms visual response is possible but exceptional. ReactionMetric excludes responses under 100 ms because they are too early to treat as reliable post-signal reactions. Scores near 100 ms should be repeated across several trials, since responding early, display timing and input hardware can all push a browser result downward. See the Methodology for the exact validity rules."}},{"@type":"Question","name":"Why is my score different on another test or device?","acceptedAnswer":{"@type":"Answer","text":"Because browser reaction tests measure the whole path from visual change to your input, not your nervous system alone. Different displays, refresh rates, mice, keyboards, browsers and test rules can shift the result. Compare repeated runs on the same setup first, then treat cross-site differences cautiously. See Science & Measurement Notes for why equal millisecond gaps are not always equivalent."}},{"@type":"Question","name":"Does monitor refresh rate affect my score?","acceptedAnswer":{"@type":"Answer","text":"Yes, it can affect the browser-observed number. A higher refresh rate can shorten the wait for a new frame to appear, which may reduce part of the measured delay, but it does not make your nervous system faster by itself. Keep the same display when tracking improvement, and see Science & Measurement Notes for device-stack limitations."}},{"@type":"Question","name":"Should I compare my best score or my median?","acceptedAnswer":{"@type":"Answer","text":"Use your five-trial median as the main benchmark. Your best click is useful as a ceiling, but it is more sensitive to luck and unusually early responses. The median better represents repeatable performance because one extreme trial has less influence. Use the best score as supporting context, and see the Methodology for why ReactionMetric makes median the headline result."}},{"@type":"Question","name":"Is this the same as a reflex test?","acceptedAnswer":{"@type":"Answer","text":"Not exactly. This page measures simple visual reaction time: one signal appears and you respond. The Visual Reflex Test adds spatial target detection and distractors, so it is a different browser task. Neither is a clinical neurological or tendon-reflex exam. If you want the target-finding version, use the Visual Reflex Test."}}]}]}