“If you want a metric that truly represents what users are seeing on their screens, you are limited to synthetic testing tools like WebPageTest that capture a video of the screen as the page is being loaded. For real user monitoring (RUM), you are probably still better off using your own custom metrics to measure the most meaningful parts of your page load.” |  |
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We connect engineers with hiring managers, founders, and executives at growing technology companies in New York and San Francisco. Get your name in front of hundreds of companies with a single application. Software engineers average 5+ interview requests in their first week. Apply today! |  |
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Interop between JS and WASM is faster than ever — at least when it comes to Firefox Beta. |
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A light introduction to WebAssembly. |  |
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“Systems are like cities. Our users engage with a tiny part of the entire stack and that’s what matters from their perspective. That’s how you remember your entire stack or product.” |  |
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Phil explains how to render a visual representation of audio into <canvas>, and feeding microphone data to the visualization. |
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Learn more about Web Payments with this web fundamentals content from Google. |
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Grzegorz explains what same-origin policy is, why it’s important, and how you can benefit from it. |
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Examples for designing reusable React components. |
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Now on Amazon!    Tackle two aspects of JavaScript development: modularity and ES6. With this practical guide, front-end and back-end Node.js developers alike will learn how to scale out JavaScript applications by breaking codebases into smaller modules. We’ll specifically cover features in ES6 from the vantage point of how we can leverage them to improve modularity in our programs. Learn how to manage complexity, how to drive it down, and how to write simpler code by building small modules. |  |
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A series of chapters that teach you how to create a clone of express from scratch. This will help you understand how express actually works behind the scenes. Going through exercises like this are excellent for gaining a better understanding of how things work. I did a similar exercise when building Taunus to better understand rendering frameworks and I think it was a rewarding experience. I hope you try it out! |
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A naming convention for managing CSS at scale. |
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Evan talks about changes coming to the Vue rendering framework: API changes, internal architecture improvements, better runtime support, and observability features. |
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A web developer  has been working on a way of storing private data on your own storage medium, and is calling it Solid. I was expecting the initiative to be more all-encompassing, but it doesn’t seem to be quite as revolutionary, in the sense that I don’t see it damping down the internet giants’ stranglehold on user data any time soon. |
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Colin takes a step-by-step look at the process of of building financial charts using D3. |
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“The attack by Chinese spies reached almost 30 U.S. companies, including Amazon and Apple, by compromising North America’s technology supply chain, according to extensive interviews with government and corporate sources.” To keep things interesting, this story was vehemently refuted by Apple and Amazon. |
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