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How To Boost Resource Loading With The New Priority Hint `fetchpriority`

Smashing Magazine

However, developers with a deep understanding of the project may want to improve performance beyond that by doing some fine-tuning under the hood. It’s common knowledge that better website performance results in more conversions, more traffic, and better user experience. Without priority hints. Large preview ).

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Build a Node.js Tool to Record and Compare Google Lighthouse Reports

CSS - Tricks

Google Lighthouse is one of the best-automated tools available on a web developer's utility belt. It allows you to quickly audit a website in a number of key areas which together can form a measure of its overall quality. These are: Performance Accessibility Best Practices SEO Progressive Web App.

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Hybrid Lazy Loading: A Progressive Migration To Native Lazy Loading

Smashing Magazine

Let’s start with a comparison between native lazy loading and the good ol’ JavaScript-driven one. Lazy loading is a way to improve the performance of a website or web application by maximizing the rendering speed of the above-the-fold images and iframes (and sometimes videos) by deferring the loading of below-the-fold content.

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Front-End Performance Checklist 2021

Smashing Magazine

Alternatively, you can also use: Addy Osmani’s Chrome UX Report Compare Tool , Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). you can get CrUX performance data for specific pages instead of just the aggregates. Image source ).

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Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]

Smashing Magazine

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik), Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Image source ).

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Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]

Smashing Magazine

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik and detailed guide by Rick Viscomi) or Treo Sites , a RUM monitoring tool that is powered by Chrome UX Report. Treo Sites provides competitive analysis based on real-world data.