[{"data":1,"prerenderedAt":751},["ShallowReactive",2],{"nav:en":3,"content:en:facts-input-lag":155,"cards:en:all":622},{"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":156,"kind":157,"locale":158,"contentUpdated":159,"published":159,"review":160,"title":161,"description":162,"h1":163,"intro":164,"sections":188,"related":486,"crumbs":499,"citations":508,"faq":582,"relatedHeading":618,"cta":619,"sourcesHeading":621},"facts-input-lag","article","en","2026-10-06","ai-raw","Input lag: does a 144 Hz screen make you react faster?","Input lag explained: what a 144 Hz screen, a fast mouse and your browser add to a reaction, what esports research found, and what it means for a test.","Input lag",[165,168,172,174,177,179,181,183,186],{"t":166,"v":167},"text","Input lag is the delay between your action, or a change on screen, and the moment it registers: the time your mouse, computer and screen add on top of your own reaction. A faster screen helps mainly because it lowers that delay. In a study of skilled esports players, cutting the delay improved their aiming clearly, while a higher refresh rate on its own, with the delay held equal, made little difference",{"t":169,"id":170,"n":171},"cite","spjut-2019",1,{"t":166,"v":173},". A reaction test in a browser always includes some input lag: robot tests of ordinary computers and phones found delays of about ",{"t":175,"v":176},"num","57.6",{"t":166,"v":178}," ms to ",{"t":175,"v":180},"132.9",{"t":166,"v":182}," ms",{"t":169,"id":184,"n":185},"pronk-2020",2,{"t":166,"v":187},".",[189,267,287,344,390,434],{"role":190,"section":191},"section",{"heading":192,"blocks":193},"The figures in one table",[194,262],{"type":195,"caption":196,"head":199,"rows":206},"table",[197],{"t":166,"v":198},"Delays added by equipment, in the studies on this page",[200,203],[201],{"t":166,"v":202},"What was measured",[204],{"t":166,"v":205},"Figure",[207,219,231,242,251],[208,215],[209,211,213],{"t":166,"v":210},"A tuned gaming computer, click to light on a ",{"t":175,"v":212},"60",{"t":166,"v":214}," Hz screen, lowest setting",[216,218],{"t":175,"v":217},"22",{"t":166,"v":182},[220,223],[221],{"t":166,"v":222},"The same computer with delay added on purpose",[224,226,228,230],{"t":175,"v":225},"55",{"t":166,"v":227}," ms and ",{"t":175,"v":229},"88",{"t":166,"v":182},[232,235],[233],{"t":166,"v":234},"A calibrated laboratory screen and mouse: reaction time before and after removing their delay",[236,238,239,241],{"t":175,"v":237},"230.8",{"t":166,"v":227},{"t":175,"v":240},"213",{"t":166,"v":182},[243,246],[244],{"t":166,"v":245},"A browser on a phone or laptop, robot press to recorded time",[247,248,249,250],{"t":175,"v":176},{"t":166,"v":178},{"t":175,"v":180},{"t":166,"v":182},[252,255],[253],{"t":166,"v":254},"Common browsers on desktop and laptop computers, the same kind of measure",[256,258,259,261],{"t":175,"v":257},"76.5",{"t":166,"v":178},{"t":175,"v":260},"82.3",{"t":166,"v":182},{"type":263,"text":264},"paragraph",[265],{"t":166,"v":266},"The browser figures are larger than the gaming ones because they include everything from the press of a key or screen to the moment a web page records it, on ordinary devices and settings. They were measured with robots, so no human reaction is in them.",{"role":190,"section":268},{"heading":269,"blocks":270},"Where the delay comes from",[271,283],{"type":272,"items":273},"steps",[274,277,280],[275],{"t":166,"v":276},"The input device. A mouse or keyboard checks its buttons and sends a report to the computer at a fixed rate; a touch screen needs time to notice a finger.",[278],{"t":166,"v":279},"The computer. The operating system passes the input to the browser or game, which works out what to draw next.",[281],{"t":166,"v":282},"The screen. A new picture is shown only at the next refresh, and the panel then takes a moment to change its pixels.",{"type":263,"text":284},[285],{"t":166,"v":286},"Each step is small, but they add up, and the same chain works in the other direction for a reaction test: the signal waits for the screen, and your press waits for the device and the browser.",{"role":190,"section":288},{"heading":289,"blocks":290},"What refresh rate does",[291,305,333],{"type":263,"text":292},[293,295,296,298,300,302,303],{"t":166,"v":294},"A ",{"t":175,"v":212},{"t":166,"v":297}," Hz screen draws a new picture sixty times a second, so a change can wait up to a sixtieth of a second before it appears. A ",{"t":175,"v":299},"144",{"t":166,"v":301}," Hz screen redraws ",{"t":175,"v":299},{"t":166,"v":304}," times a second, so the worst wait falls to a hundred-and-forty-fourth of a second. That is a real saving of a few thousandths of a second, and motion also looks smoother.",{"type":263,"text":306},[307,309,311,313,315,317,318,320,322,323,325,327,329,331,332],{"t":166,"v":308},"Researchers at a graphics company asked which matters more: the higher refresh rate itself, or the lower delay that comes with it. They tested eight skilled esports players aged ",{"t":175,"v":310},"27",{"t":166,"v":312}," to ",{"t":175,"v":314},"36",{"t":166,"v":316}," at ",{"t":175,"v":212},{"t":166,"v":319},", ",{"t":175,"v":321},"120",{"t":166,"v":319},{"t":175,"v":324},"240",{"t":166,"v":326}," and ",{"t":175,"v":328},"360",{"t":166,"v":330}," Hz, and added delay at the higher rates so that the delay was the same at every rate. Aiming at targets got clearly faster when the delay was lower. Refresh rate alone had no significant effect on hitting a target with one click, and only a small one on following a moving target",{"t":169,"id":170,"n":171},{"t":166,"v":187},{"type":263,"text":334},[335,337,339,341,342],{"t":166,"v":336},"Their title sums it up: a delay of ",{"t":175,"v":338},"30",{"t":166,"v":340}," ms matters more than a refresh rate above ",{"t":175,"v":212},{"t":166,"v":343}," Hz. A fast screen is worth having mainly because it usually comes with less delay.",{"role":190,"section":345},{"heading":346,"blocks":347},"Mice and keyboards",[348,374],{"type":263,"text":349},[350,352,354,356,359,361,363,364,365,367,369,371,372],{"t":166,"v":351},"A mouse reports to the computer a fixed number of times a second, its report or polling rate. One maker states ",{"t":175,"v":353},"125",{"t":166,"v":355}," (as the maker states)",{"t":169,"id":357,"n":358},"logitech-report-rate",4,{"t":166,"v":360}," reports a second as the slowest setting of a gaming mouse and ",{"t":175,"v":362},"1,000",{"t":166,"v":355},{"t":169,"id":357,"n":358},{"t":166,"v":366}," as its fastest. A ",{"t":175,"v":368},"1000",{"t":166,"v":370}," Hz mouse reports eight times as often as a ",{"t":175,"v":353},{"t":166,"v":373}," Hz one, which shortens the wait for the next report by a few thousandths of a second at most.",{"type":263,"text":375},[376,378,380,382,384,385,388],{"t":166,"v":377},"Keyboards differ more than people expect. The robot study of browsers found a laptop with a built-in keyboard no slower than a desktop with a plug-in one: on Windows, the laptop averaged ",{"t":175,"v":379},"73.7",{"t":166,"v":381}," ms and the desktop ",{"t":175,"v":383},"76.2",{"t":166,"v":182},{"t":169,"id":386,"n":387},"anwyl-irvine-2021",5,{"t":166,"v":389},". The whole set-up mattered more than the type of keyboard.",{"role":190,"section":391},{"heading":392,"blocks":393},"What a browser adds",[394,414,430],{"type":263,"text":395},[396,398,399,401,402,404,405,407,408,409,410,412,413],{"t":166,"v":397},"Two studies pressed devices with robots and compared the real time of each press with the time a web page recorded. On two laptops and two phones that were a few years old at the time, every browser recorded reactions as slower than they were, by an average of ",{"t":175,"v":176},{"t":166,"v":400}," ms on an iPhone in Safari up to ",{"t":175,"v":180},{"t":166,"v":403}," ms on a Mac in Safari",{"t":169,"id":184,"n":185},{"t":166,"v":406},". On desktop and laptop computers, the second study found average delays of ",{"t":175,"v":257},{"t":166,"v":178},{"t":175,"v":260},{"t":166,"v":411}," ms across browsers",{"t":169,"id":386,"n":387},{"t":166,"v":187},{"type":263,"text":415},[416,418,420,422,424,426,429],{"t":166,"v":417},"Precision is a separate question from delay. A delay that is the same every time shifts every result equally and does not change a comparison between two of your own runs; a delay that varies blurs small differences. A large comparison of experiment software found that most packages measured response times in browsers with a precision under ",{"t":175,"v":419},"10",{"t":166,"v":421}," ms, against under ",{"t":175,"v":423},"1",{"t":166,"v":425}," ms for the best laboratory software",{"t":169,"id":427,"n":428},"bridges-2020",6,{"t":166,"v":187},{"type":263,"text":431},[432],{"t":166,"v":433},"The robot figures include the whole chain on everyday hardware, not only the browser. They show why a reaction time measured on a website reads higher than one from a laboratory, and why results from two different devices should not be compared as if they were the same instrument.",{"role":190,"section":435},{"heading":436,"blocks":437},"What this means for your own result",[438,450,477],{"type":439,"items":440},"list",[441,444,447],[442],{"t":166,"v":443},"A faster screen or mouse can shave a few thousandths of a second off your measured time; your own reaction is usually ten times that or more.",[445],{"t":166,"v":446},"The biggest gain is lower overall delay: a wired mouse, a screen set to its highest refresh rate, and other programs closed.",[448],{"t":166,"v":449},"Results from different devices differ by more than a better screen can change. Compare your results on one device.",{"type":263,"text":451},[452,454,456,457,459,461,463,464,466,468,471,473,475],{"t":166,"v":453},"Our reaction tests allow for the delays these robot studies found, less the delay the laboratory study's own equipment had: ",{"t":175,"v":455},"44.1",{"t":166,"v":178},{"t":175,"v":458},"115.1",{"t":166,"v":460}," ms with a keyboard or mouse, and ",{"t":175,"v":462},"39.8",{"t":166,"v":178},{"t":175,"v":465},"52",{"t":166,"v":467}," ms with a touch screen. No study pressed a mouse, so a mouse gets the keyboard's figures. The comparison is shown as a range for that reason, and on a computer the range is wide, so treat it as a rough guide. The ",{"t":469,"v":470,"to":99,"key":98},"link","refresh rate test",{"t":166,"v":472}," and the ",{"t":469,"v":474,"to":96,"key":95},"polling rate test",{"t":166,"v":476}," show what your own screen and mouse are doing.",{"type":263,"text":478},[479,481,485],{"t":166,"v":480},"How laboratories, sprint starts and browsers each time a reaction is explained in ",{"t":469,"v":482,"to":483,"key":484},"how reaction time is measured","\u002Ffacts\u002Fhow-is-reaction-time-measured","facts-reaction-time-measured",{"t":166,"v":187},[487,490,493,496],{"key":98,"path":99,"title":488,"description":489},"Refresh rate test","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.",{"key":95,"path":96,"title":491,"description":492},"Polling rate test","Free polling rate test: move your mouse for two seconds and see how many position reports it sends every second. No sign-up, nothing leaves your device.",{"key":484,"path":483,"title":494,"description":495},"How is reaction time measured?","How is reaction time measured? In laboratories, at sprint starts and in a browser: what each one times, how precise it is, and why the numbers differ.",{"key":12,"path":13,"title":497,"description":498},"Reaction time test","Free reaction time test: tap or click when the screen turns green. Your middle time is set beside a published study of adults. No sign-up, no email.",[500,504,506],{"key":501,"path":502,"name":503},"home","\u002F","What would you like to test?",{"key":144,"path":145,"name":505},"Facts",{"key":156,"path":507,"name":163},"\u002Ffacts\u002Finput-lag",[509,522,534,550,560,572],{"n":171,"id":170,"kind":510,"authors":511,"year":512,"title":513,"venue":514,"doi":515,"url":516,"population":517,"notes":518},"source","Spjut, J., Boudaoud, B., Binaee, K., Kim, J., Majercik, A., McGuire, M., Luebke, D., & Kim, J.",2019,"Latency of 30 ms benefits first person targeting tasks more than refresh rate above 60 Hz","SIGGRAPH Asia 2019 Technical Briefs","10.1145\u002F3355088.3365170","https:\u002F\u002Fresearch.nvidia.com\u002Fpublication\u002F2019-11_Latency-of-30","Eight skilled esports players aged 27 to 36",[519],{"date":159,"url":520,"quote":521},"https:\u002F\u002Fresearch.nvidia.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fpubs\u002F2019-11_Latency-of-30\u002FFPS_Tasks_sa2019_AuthorVersion.pdf","Title: \"Latency of 30 ms Benefits First Person Targeting Tasks More Than Refresh Rate Above 60 Hz\". Abstract: \"we isolate latency and refresh rate by artificially increasing latency when operating at high refresh rates. Eight skilled esports athletes then perform gaming-inspired first person targeting tasks under varying conditions of refresh rate and latency\" \"We show that reduced latency has a clear benefit in task completion time while increased refresh rate has relatively minor effects on performance when the inherent latency reduction present at high refresh rates is removed.\" \"Subjects. Eight subjects (aged 27-36)\" \"The selected refresh rates were: 60 Hz (today's baseline), 120 Hz (today's gamer), 240 Hz (gaming enthusiast) and 360 Hz (experimental).\" Table 1, click to photon latency at 60 Hz: \"22 (6.0) 55 (5.9) 88 (5.8)\". Figure 1: \"For the 1-hit tasks, latency has a significant effect on task completion times while the effect of refresh rate is not statistically significant.\"",{"n":185,"id":184,"kind":510,"authors":523,"year":524,"title":525,"venue":526,"doi":527,"url":528,"population":529,"notes":530},"Pronk, T., Wiers, R. W., Molenkamp, B., & Murre, J.",2020,"Mental chronometry in the pocket? Timing accuracy of web applications on touchscreen and keyboard devices","Behavior Research Methods, 52(3), 1371–1382","10.3758\u002Fs13428-019-01321-2","https:\u002F\u002Fpmc.ncbi.nlm.nih.gov\u002Farticles\u002FPMC7280355\u002F","Four devices from 2015 and 2016: a MacBook Pro, an ASUS laptop, a Samsung Galaxy S7 and an iPhone 6S, pressed by a robot",[531],{"date":159,"url":532,"quote":533},"https:\u002F\u002Fwww.ebi.ac.uk\u002Feuropepmc\u002Fwebservices\u002Frest\u002FPMC7280355\u002FfullTextXML","Abstract: \"In controlled circumstances, as can be realized in a lab setting, very accurate stimulus timing and moderately accurate RT measurements could be achieved on both touchscreen and keyboard devices, though RTs were consistently overestimated.\" Table 4 \"Descriptives of RT overestimations (in milliseconds) per device and browser\" (OS, Web Browser, Minimum, Maximum, Mean, SD): \"Android Chrome 46.0 103.5 69.8 7.4\", \"iOS Safari 48.3 96.3 57.6 6.5\", \"MacOS Safari 93.0 163.7 132.9 8.1\", \"Windows Chrome 64.7 70.6 68.5 1.7\", \"Windows Firefox 49.8 84.9 61.9 5.7\".",{"n":535,"id":536,"kind":537,"authors":538,"year":539,"title":540,"venue":541,"doi":542,"url":543,"participants":544,"population":545,"notes":546},3,"woods-2015","sample","Woods, D. L., Wyma, J. M., Yund, E. W., Herron, T. J., & Reed, B.",2015,"Factors influencing the latency of simple reaction time","Frontiers in Human Neuroscience, 9, 131","10.3389\u002Ffnhum.2015.00131","https:\u002F\u002Fwww.frontiersin.org\u002Fjournals\u002Fhuman-neuroscience\u002Farticles\u002F10.3389\u002Ffnhum.2015.00131\u002Ffull","1,469","Community volunteers in Rotorua, New Zealand, aged 18 to 65 (mean age 45.8, 40% men)",[547],{"date":548,"url":543,"quote":549},"2026-10-01","Abstract: \"Experiment 1 examined a community sample of 1469 subjects ranging in age from 18 to 65. Mean SRT latencies were short (231, 213 ms when corrected for hardware delays) and increased significantly with age (0.55 ms\u002Fyear)\". Table 2, column Experiment 1: \"N 1469\", \"SRT 230.8\", \"SRT SD 26.8\".",{"n":358,"id":357,"kind":537,"authors":551,"year":552,"title":553,"venue":554,"url":555,"population":556,"notes":557},"Logitech",2026,"Customize G PRO gaming mouse pointer settings with Logitech Gaming Software","Logitech Support","https:\u002F\u002Fsupport.logi.com\u002Fhc\u002Fen-us\u002Farticles\u002F360023183294-Customize-G-PRO-gaming-mouse-pointer-settings-with-Logitech-Gaming-Software","A gaming mouse and its settings, as the maker describes them",[558],{"date":159,"url":555,"quote":559},"\"Change the Report Rate, if you prefer something other than the default of 1000 reports\u002Fsecond (1ms response time). The Report Rate controls how often your mouse updates its position to the computer. NOTE: The possible range is from 125\u002Fsec (8ms response time) to 1000\u002Fsec (1ms response time).\"",{"n":387,"id":386,"kind":510,"authors":561,"year":562,"title":563,"venue":564,"doi":565,"url":566,"population":567,"notes":568},"Anwyl-Irvine, A., Dalmaijer, E. S., Hodges, N., & Evershed, J. K.",2021,"Realistic precision and accuracy of online experiment platforms, web browsers, and devices","Behavior Research Methods, 53(4), 1407–1425","10.3758\u002Fs13428-020-01501-5","https:\u002F\u002Fpmc.ncbi.nlm.nih.gov\u002Farticles\u002FPMC8367876\u002F","Desktop and laptop computers with Windows 10 and macOS, pressed by a robot; and the equipment of 202,600 online participants",[569],{"date":159,"url":570,"quote":571},"https:\u002F\u002Fwww.ebi.ac.uk\u002Feuropepmc\u002Fwebservices\u002Frest\u002FPMC8367876\u002FfullTextXML","Abstract: \"We then employed a robot actuator in realistic set-ups to measure response recording across the aforementioned platforms, and between different keyboard types (desktop and integrated laptop).\" \"We found that modern web platforms provide reasonable accuracy and precision for display duration and manual response time\". Table 2 \"RT delay is calculated as the difference between known and recorded RT.\" Browser means: \"Chrome 78.81\", \"Edge 80.10\", \"Firefox 82.30\", \"Safari 76.50\"; device means: \"macOS-Desktop 85.35\", \"Windows-Desktop 76.24\", \"Windows-Laptop 73.65\". Results: \"We found that 77% of these devices were desktop or laptop computers, whereas only 20% were mobile devices\" \"Based on a sample of 202,600 participants.\"",{"n":428,"id":427,"kind":510,"authors":573,"year":524,"title":574,"venue":575,"doi":576,"url":577,"notes":578},"Bridges, D., Pitiot, A., MacAskill, M. R., & Peirce, J. W.","The timing mega-study: comparing a range of experiment generators, both lab-based and online","PeerJ, 8, e9414","10.7717\u002Fpeerj.9414","https:\u002F\u002Fpmc.ncbi.nlm.nih.gov\u002Farticles\u002FPMC7512138\u002F",[579],{"date":159,"url":580,"quote":581},"https:\u002F\u002Fpubmed.ncbi.nlm.nih.gov\u002F33005482\u002F","Abstract: \"Among the lab-based experiments, Psychtoolbox, PsychoPy, Presentation and E-Prime provided the best timing, all with mean precision under 1 millisecond across the visual, audio and response measures.\" \"Online studies did not deliver the same level of precision as lab-based systems, with slightly more variability in all measurements.\" \"For response times (measured using a high-performance button box), most of the packages achieved precision at least under 10 ms in all browsers, with PsychoPy achieving a precision under 3.5 ms in all.\" \"The results, from over 110,000 trials, highlight the wide range of timing qualities that can occur even in these dedicated software packages for the task.\"",{"heading":583,"items":584},"Questions",[585,592,604,611],{"q":586,"a":587},"Does a 144 Hz screen make you react faster?",[588],{"type":263,"text":589},[590],{"t":166,"v":591},"Not your own reaction. It can lower the delay of the screen a little, which lowers your measured time a little. In a study of esports players, lower delay helped aiming clearly, while refresh rate on its own, with delay held equal, made little difference.",{"q":593,"a":594},"How much input lag does a browser add?",[595],{"type":263,"text":596},[597,599,600,601,602],{"t":166,"v":598},"On the everyday laptops and phones tested with a robot, the recorded times were too slow by an average of ",{"t":175,"v":176},{"t":166,"v":178},{"t":175,"v":180},{"t":166,"v":603}," ms, depending on the device and browser.",{"q":605,"a":606},"Is a 1000 Hz mouse worth it?",[607],{"type":263,"text":608},[609],{"t":166,"v":610},"It shortens the wait for the next report by a few thousandths of a second. That is real but small compared with the rest of the chain and with a human reaction.",{"q":612,"a":613},"Why is my reaction time different on another computer?",[614],{"type":263,"text":615},[616],{"t":166,"v":617},"Because each device adds its own delay. Robot tests found tens of thousandths of a second of difference between browsers and devices, so compare your results on one device.","Keep reading",{"label":620,"to":99,"key":98},"Test your screen's refresh rate","Sources",[623,640,662,672,698,714],{"section":6,"hub":9,"cards":624},[625,628,632,636],{"key":12,"test":12,"path":13,"title":497,"line":626,"minutes":171,"devices":627},"Find out how fast you react when the screen turns green.",{"mouse":14,"touch":14,"keyboard":14},{"key":16,"test":16,"path":17,"title":629,"line":630,"minutes":171,"devices":631},"F1 reaction test","Find out how quickly you can start when five red lights go out.",{"mouse":14,"touch":14,"keyboard":14},{"key":19,"test":19,"path":20,"title":633,"line":634,"minutes":171,"devices":635},"Audio reaction test","Find out how fast you react to a beep.",{"mouse":14,"touch":14,"keyboard":14},{"key":23,"test":23,"path":24,"title":637,"line":638,"minutes":171,"devices":639},"Aim trainer","Find out how fast and how exactly you can hit targets.",{"mouse":14,"touch":14,"keyboard":21},{"section":26,"hub":29,"cards":641},[642,646,650,654,658],{"key":32,"test":32,"path":33,"title":643,"line":644,"minutes":171,"devices":645},"CPS test","Find out how many times a second you can click.",{"mouse":14,"touch":14,"keyboard":21},{"key":35,"test":35,"path":36,"title":647,"line":648,"minutes":171,"devices":649},"Spacebar clicker","Find out how fast you can press the space bar.",{"mouse":21,"touch":21,"keyboard":14},{"key":38,"test":38,"path":39,"title":651,"line":652,"minutes":171,"devices":653},"Click counter","Keep a tally of anything you like with one big button.",{"mouse":14,"touch":14,"keyboard":14},{"key":41,"test":41,"path":42,"title":655,"line":656,"minutes":171,"devices":657},"Tap BPM","Tap along to a beat and find out how fast it is.",{"mouse":14,"touch":14,"keyboard":14},{"key":44,"test":44,"path":45,"title":659,"line":660,"minutes":171,"devices":661},"APM test","Find out how many actions a minute you make with keyboard and mouse.",{"mouse":14,"touch":21,"keyboard":14},{"section":47,"hub":50,"cards":663},[664,668],{"key":53,"test":53,"path":54,"title":665,"line":666,"minutes":171,"devices":667},"Typing test","Find out how fast and how accurately you type.",{"mouse":21,"touch":14,"keyboard":14},{"key":56,"test":56,"path":57,"title":669,"line":670,"minutes":535,"devices":671},"Reading speed test","Find out how fast you read while still understanding the text.",{"mouse":14,"touch":14,"keyboard":14},{"section":59,"hub":62,"cards":673},[674,678,682,686,690,694],{"key":65,"test":65,"path":66,"title":675,"line":676,"minutes":535,"devices":677},"Number memory test","Find out how many digits you can hold in mind.",{"mouse":14,"touch":14,"keyboard":14},{"key":68,"test":68,"path":69,"title":679,"line":680,"minutes":535,"devices":681},"Visual memory test","Find out how many squares you can remember on a growing grid.",{"mouse":14,"touch":14,"keyboard":14},{"key":71,"test":71,"path":72,"title":683,"line":684,"minutes":535,"devices":685},"Sequence memory test","Find out how long a sequence of lit squares you can repeat.",{"mouse":14,"touch":14,"keyboard":14},{"key":74,"test":74,"path":75,"title":687,"line":688,"minutes":535,"devices":689},"Verbal memory test","Find out how many words you can tell apart as seen or new.",{"mouse":14,"touch":14,"keyboard":14},{"key":77,"test":77,"path":78,"title":691,"line":692,"minutes":535,"devices":693},"Chimp memory test","Find out how many numbers you can remember after they vanish.",{"mouse":14,"touch":14,"keyboard":21},{"key":80,"test":80,"path":81,"title":695,"line":696,"minutes":535,"devices":697},"Stroop test","Find out how well you can ignore a word while you name its colour.",{"mouse":14,"touch":14,"keyboard":14},{"section":83,"hub":86,"cards":699},[700,704,708,711],{"key":89,"test":89,"path":90,"title":701,"line":702,"minutes":171,"devices":703},"Keyboard tester","Press your keys and see which ones work.",{"mouse":21,"touch":21,"keyboard":14},{"key":92,"test":92,"path":93,"title":705,"line":706,"minutes":171,"devices":707},"Mouse tester","Check every button and the wheel of your mouse.",{"mouse":14,"touch":21,"keyboard":21},{"key":95,"test":95,"path":96,"title":491,"line":709,"minutes":171,"devices":710},"Find out how often your mouse reports where it is.",{"mouse":14,"touch":21,"keyboard":21},{"key":98,"test":98,"path":99,"title":488,"line":712,"minutes":171,"devices":713},"Find out how many pictures a second your screen shows.",{"mouse":14,"touch":14,"keyboard":14},{"section":101,"hub":104,"cards":715},[716,721,726,730,734,738,742,747],{"key":107,"test":107,"path":108,"title":717,"line":718,"minutes":719,"devices":720},"Big Five personality test","A long, careful look at five broad traits, with more detail for each.",20,{"mouse":14,"touch":14,"keyboard":14},{"key":110,"test":110,"path":111,"title":722,"line":723,"minutes":724,"devices":725},"Personality test","Fifty short statements about how you usually are, for five broad traits.",8,{"mouse":14,"touch":14,"keyboard":14},{"key":113,"test":113,"path":114,"title":727,"line":728,"minutes":185,"devices":729},"Quick personality test","Ten short statements: a quick sketch of five broad traits.",{"mouse":14,"touch":14,"keyboard":14},{"key":116,"test":116,"path":117,"title":731,"line":732,"minutes":719,"devices":733},"16 personality types test","See your Big Five answers as four dials and a four-letter code.",{"mouse":14,"touch":14,"keyboard":14},{"key":119,"test":119,"path":120,"title":735,"line":736,"minutes":724,"devices":737},"Career interest test","Find out which kinds of activity you are most drawn to.",{"mouse":14,"touch":14,"keyboard":14},{"key":122,"test":122,"path":123,"title":739,"line":740,"minutes":387,"devices":741},"Dark triad test","A short questionnaire about four less pleasant sides of personality.",{"mouse":14,"touch":14,"keyboard":14},{"key":125,"test":125,"path":126,"title":743,"line":744,"minutes":745,"devices":746},"Political values test","Find out where you stand on four scales of values.",10,{"mouse":14,"touch":14,"keyboard":14},{"key":128,"test":128,"path":129,"title":748,"line":749,"minutes":185,"devices":750},"Self-esteem test","A short questionnaire about how you see yourself.",{"mouse":14,"touch":14,"keyboard":14},1791315183998]