In recent weeks, I’ve been working on Tello, a web app to track and manage television shows: As web apps go, it’s relatively small — about 10,000 lines of code. It’s a React/Redux app, bundled by Webpack, served by a thin Node backend (using Express and MongoDB). 90% of the code is on the front-end. Source code is available on Github. There are a lot of aspects to web performance. Historically, I’
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