By Bryan Clark In 2017, Khan Academy started using React Native in our iOS and Android apps. As of this year1, we’ve reached a big milestone: our transition to React Native is complete! Every …
How Khan Academy Successfully Handled 2.5x Traffic in a Week
By Marta Kosarchyn Talk about rapid scaling… A few months ago I posted some thoughts on scaling and promised to post more soon. Well, talk about rapid scaling — within just two weeks in March, Khan …
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Go + Services = One Goliath Project
By Kevin Dangoor Go + Services = One Goliath Project Khan Academy is embarking on a huge effort to rebuild our server software on a more modern stack in Go. At Khan Academy, we don’t shy away from a …
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How to upgrade hundreds of React components without breaking production
By Jangmi Jo Background In 2018, we started renewing our color system using our new shared design system, Wonder Blocks (“WB” in short). WB reduces site colors from 48 to 18 to improve accessibility …
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How Engineering Principles Can Help You Scale
By Marta Kosarchyn Our engineering team has grown a lot over the past couple of years, and we’re delivering more product than ever before. It’s exhilarating. It’s also tricky. Because scaling is …
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Making Websites Work with Windows High Contrast Mode
By Diedra Rater At Khan Academy, we’ve been working to make our web product more accessible to a variety of users, including those who experience blurry vision and/or severe color-blindness. …
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