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Daniel Pertu

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Location London Joined Joined on  Personal website https://cogniprep.app

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Founder of CogniPrep

Five things I got wrong shipping v1
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Five things I got wrong shipping v1

#analytics #javascript #performance #softwaredevelopment
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3 min read
Making timed games accessible when the timing is the point
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Making timed games accessible when the timing is the point

#a11y #frontend #ux
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2 min read
How I store "unlimited sessions" without my database exploding
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How I store "unlimited sessions" without my database exploding

#architecture #backend #database #performance
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2 min read
Boolean soup is why your UI has impossible states
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Boolean soup is why your UI has impossible states

#architecture #frontend #programming #software
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2 min read
Keeping a heavy, animated landing page fast in Next.js
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Keeping a heavy, animated landing page fast in Next.js

#frontend #nextjs #performance #react
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2 min read
Turning a raw score into "you're in the 68th percentile"
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Turning a raw score into "you're in the 68th percentile"

#algorithms #data #performance
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2 min read
Measuring reaction time in the browser is harder than it looks
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Measuring reaction time in the browser is harder than it looks

#frontend #javascript #performance #webdev
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2 min read
CogniPrep
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CogniPrep

#webdev #career
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