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Weekly Platform News: HTML Loading Attribute, the Main ARIA Specifications, and Moving from iFrame to Shadow DOM

In this week's roundup of platform news, Chrome introduces a new attribute for loading, accessibility specifications for web developers, and the BBC moves visualizations to the Shadow DOM.… Read article

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The Simplest Way to Load CSS Asynchronously

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How Google PageSpeed Works: Improve Your Score and Search Engine Ranking

In this article, we uncover how PageSpeed calculates it’s critical speed score.

It’s no secret that speed has become a crucial factor in increasing revenue and lowering abandonment rates. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance.

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How to Increase Your Page Size by 1,500% with webpack and Vue

What we don’t have are enough articles showing you how to increase your page size. In fact, the only article I could find was this one from the Geek Squad which ended up being about making the font size bigger. This is a good start, but I think we can do better.
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Self-Host Your Static Assets

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Weekly Platform News: PWA Issue on iOS, Performance Culture, Anti-Tracking in Browsers

In this week's news: resolving an issue when restarting progressive web apps in iOS, why The Telegraph now vets all scripts before they make it to their codebase, and Microsoft plans to add tracking prevention to the Edge browser.
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A Deep Dive into Native Lazy-Loading for Images and Frames

Today's websites are packed with heavy media assets like images and videos. Images make up around 50% of an average website's traffic. Many of them, however, are never shown to a user because they're placed way below the fold.

What’s this thing about images being lazy, you ask? Lazy-loading is something that’s been covered quite a bit here on CSS-Tricks, including a thorough guide with documentation for different approaches using JavaScript. In short, we’re talking about a … Read article

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Preload, prefetch and other link tags

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The Serif Tax

Fonts are vector. Vector art with more points makes for larger files than vector art with fewer points. Custom fonts are downloaded. So, fonts with less points in their vector art are smaller. That's the theory anyway. Shall we see if there is any merit to it?… Read article