[{"data":1,"prerenderedAt":255},["ShallowReactive",2],{"nav:en":3,"test-content:en:refresh-rate":155,"test-messages:en:refresh-rate":185},{"sections":4,"sheet":130,"site":133},[5,25,46,58,82,100],{"section":6,"hub":7,"tests":10},"reaction",{"key":8,"path":9},"hub-reaction","\u002Freaction-tests",[11,15,18,22],{"key":12,"path":13,"featured":14},"reaction-time","\u002Freaction-time-test",true,{"key":16,"path":17,"featured":14},"f1-reaction","\u002Ff1-reaction-test",{"key":19,"path":20,"featured":21},"sound-reaction","\u002Faudio-reaction-test",false,{"key":23,"path":24,"featured":14},"aim-trainer","\u002Faim-trainer",{"section":26,"hub":27,"tests":30},"click",{"key":28,"path":29},"hub-click","\u002Fclick-speed-tests",[31,34,37,40,43],{"key":32,"path":33,"featured":14},"cps-test","\u002Fcps-test",{"key":35,"path":36,"featured":14},"spacebar-clicker","\u002Fspacebar-clicker",{"key":38,"path":39,"featured":14},"click-counter","\u002Fclick-counter",{"key":41,"path":42,"featured":21},"tap-bpm","\u002Ftap-bpm",{"key":44,"path":45,"featured":21},"apm-test","\u002Fapm-test",{"section":47,"hub":48,"tests":51},"typing",{"key":49,"path":50},"hub-typing","\u002Ftyping-tests",[52,55],{"key":53,"path":54,"featured":14},"typing-test","\u002Ftyping-test",{"key":56,"path":57,"featured":14},"reading-speed","\u002Freading-speed-test",{"section":59,"hub":60,"tests":63},"memory",{"key":61,"path":62},"hub-memory","\u002Fmemory-tests",[64,67,70,73,76,79],{"key":65,"path":66,"featured":21},"number-memory","\u002Fnumber-memory-test",{"key":68,"path":69,"featured":14},"visual-memory","\u002Fvisual-memory-test",{"key":71,"path":72,"featured":21},"sequence-memory","\u002Fsequence-memory-test",{"key":74,"path":75,"featured":21},"verbal-memory","\u002Fverbal-memory-test",{"key":77,"path":78,"featured":14},"chimp-test","\u002Fchimp-memory-test",{"key":80,"path":81,"featured":14},"stroop-test","\u002Fstroop-test",{"section":83,"hub":84,"tests":87},"hardware",{"key":85,"path":86},"hub-hardware","\u002Fhardware-tests",[88,91,94,97],{"key":89,"path":90,"featured":14},"keyboard-test","\u002Fkeyboard-tester",{"key":92,"path":93,"featured":14},"mouse-test","\u002Fmouse-tester",{"key":95,"path":96,"featured":21},"polling-rate","\u002Fpolling-rate-test",{"key":98,"path":99,"featured":14},"refresh-rate","\u002Frefresh-rate-test",{"section":101,"hub":102,"tests":105},"personality",{"key":103,"path":104},"hub-personality","\u002Fpersonality-tests",[106,109,112,115,118,121,124,127],{"key":107,"path":108,"featured":14},"big-five","\u002Fbig-five-personality-test",{"key":110,"path":111,"featured":14},"personality-test","\u002Fpersonality-test",{"key":113,"path":114,"featured":21},"quick-personality","\u002Fquick-personality-test",{"key":116,"path":117,"featured":21},"personality-types","\u002F16-personality-types-test",{"key":119,"path":120,"featured":14},"career-interests","\u002Fcareer-interest-test",{"key":122,"path":123,"featured":21},"dark-triad","\u002Fdark-triad-test",{"key":125,"path":126,"featured":21},"political-values","\u002Fpolitical-values-test",{"key":128,"path":129,"featured":21},"self-esteem","\u002Fself-esteem-test",{"key":131,"path":132},"spec-sheet","\u002Fspec-sheet",[134,137,140,143,146,149,152],{"key":135,"path":136},"about","\u002Fabout-us",{"key":138,"path":139},"methodology","\u002Fmethodology",{"key":141,"path":142},"instruments","\u002Fpersonality-questionnaire",{"key":144,"path":145},"facts","\u002Ffacts",{"key":147,"path":148},"privacy","\u002Fprivacy-policy",{"key":150,"path":151},"terms","\u002Fterms-of-use",{"key":153,"path":154},"contact","\u002Fcontact-us",{"key":98,"locale":156,"title":157,"description":158,"contentUpdated":159,"h1":160,"stage":161,"howItWorks":170,"group":83,"testId":98,"minutes":183,"devices":184},"en","Refresh rate test – check your screen's Hz | Selfspecs","Free refresh rate test: see how many frames your screen draws every second, and whether any came late. It takes a few seconds and needs no sign-up.","2026-10-06","Refresh rate test",{"instruction":162,"note":165,"picture":166,"resultLabel":169},{"touch":163,"mouse":164},"Tap Start, then keep this page open for a few seconds.","Press Start, then keep this page open for a few seconds.","Nothing to do while it measures.",{"kind":167,"name":168},"drawing","screen-hz","Your refresh rate",{"heading":171,"blocks":172},"How we measured this",[173,179],{"type":174,"text":175},"paragraph",[176],{"t":177,"v":178},"text","Your browser draws the page in frames. Just before each frame it calls the page and says what time that frame starts. We kept the gaps between those times, left out the first few frames while the page was still busy with your press, and used the middle gap of the rest. One divided by that gap is your refresh rate.",{"type":174,"text":180},[181],{"t":177,"v":182},"A frame counts as late when its gap was more than one and a half times the middle gap: the screen skipped a beat there. A handful of late frames is normal on a busy computer; many of them in a row looks like stutter.",1,{"mouse":14,"touch":14,"keyboard":14},{"started":186,"hidden":187,"arena":188,"result":193,"flags":225},"Measuring your screen.","The page went into the background, so the check stopped.",{"label":189,"measuring":190,"keepOpen":191,"count":192},"Measuring area. The check needs a few seconds and nothing from you.","Measuring","Keep this page in front","Frame {n|int} of {total|int}",{"unit":194,"valueSpoken":195,"say":196,"reference":200,"details":206},"Hz","{hz|int} hertz.",{"smooth":197,"dropped":198,"capped":199},"Your screen drew about {hz|int} frames every second, and none came late.","Your screen drew about {hz|int} frames every second. {dropped|int} of {frames|int} frames came late.","Your browser drew only about {hz|int} frames every second. Few screens are that slow: a power saver may be holding the page back.",{"markers":201},{"range":202,"above":203,"about":204,"below":205},"For comparison, the most common screens draw {low|int} frames a second, and screens of up to {high|int} are also widely used.","For comparison, the most common screens draw {value|int} frames a second: yours draws more.","For comparison, the most common screens draw {value|int} frames a second: yours draws about as many.","For comparison, the most common screens draw {value|int} frames a second: yours draws fewer.",{"summary":207,"measured":208,"measuredValue":209,"frame":210,"frameValue":211,"nearest":212,"nearestValue":213,"dropped":214,"droppedValue":215,"cannotKnow":216,"device":217},"The middle of {frames|int} frame gaps was {ms|dec1} ms, which is {hz|dec1} frames a second.","Measured rate","{hz|dec1} Hz","Time between frames","{ms|dec1} ms","Nearest rate screens are sold with","{hz|int} Hz","Frames that came late","{dropped|int} of {frames|int}","A browser cannot read what your screen is rated for. It can only count the frames it drew, so a power saver, a second screen with another rate, or a busy computer can make the number lower than the rating on the box.",{"heading":218,"used":219,"input":220},"Your device","You used",{"touch":221,"mouse":222,"keyboard":223,"pen":224},"A touch screen","A mouse","A keyboard","A pen",{"false-start":226,"anticipation":227,"lapse":228,"hidden":229,"frame-gap":230,"dropped-frames":231,"aborted":232,"unfinished":233,"too-few-trials":234,"latency-unknown":235,"untrusted":236,"key-repeat":237,"uniform":238,"implausible-rate":239,"assisted":240,"low-accuracy":241,"paste-refused":242,"skimmed":243,"low-comprehension":244,"straightlining":245,"too-fast":246,"too-many-skipped":247,"prorated":248,"not-enough-answers":249,"ceiling":250,"too-many-voids":251,"frame-limited":252,"frame-unknown":253,"lower-bound":254},"Pressed before the change: those tries were done again.","Some presses were too quick to be reactions: those tries were done again.","Some tries were too slow to count.","The page went into the background: that part was not counted.","The screen stalled for a moment: that try was done again.","The screen was slow to change on some tries: those times may be a little short.","Stopped before the end.","Not finished.","Too few tries counted to give a result.","The browser did not say how long its sound takes to play, so the times include an unknown delay.","Some presses did not come from your own touch, click or key and were ignored (a script or another program).","A held key repeated by itself: the repeats were ignored.","The presses came at evenly spaced intervals, like a machine's: the result is kept but not compared.","Faster than one finger can tap: runs with several fingers are kept but not compared.","Your keyboard corrected or predicted some words for you, so this run is not compared.","Too few answers were right to compare this run.","Pasted text was left out: only what you typed counts.","The text was on screen too briefly to have been read, so the reading speed is not compared.","Too few questions about the text were answered right, so the reading speed is not compared.","Many answers in a row were the same, also where statements point in opposite directions: the result is shown but not compared.","You answered very quickly, in under a second per statement on average, so this result is not compared with others.","Too many statements were left out to give a result.","Some statements were left out: their scales were completed from your other answers.","A scale has too few answers for a result.","You reached the end of the test, so your true result may be higher.","Too many tries were not counted (the page was in the background or the screen stalled).","The browser reports the mouse once per screen frame, so this is the screen's rate, not the mouse's.","The screen's frame rate is unknown, so it cannot be told whether this is the mouse's rate.","Many reports arrived together: the mouse reports at least this often.",1791315158745]