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How Improving Website Performance Can Help Save The Planet

Smashing Magazine

The key metric for measuring the sustainability of a digital product is its energy usage. An obvious metric here is CPU usage, but memory usage and other forms of data storage also play their part. Note : There are plenty of other tools that provide us with a metric for data transfer including the much revered WebPagetest.

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Answering Common Questions About Interpreting Page Speed Reports

Smashing Magazine

But do you know how Lighthouse calculates performance metrics like First Contentful Paint (FCP), Total Blocking Time (TBT), and Cumulative Layout Shift (CLS)? Still, there’s nothing in there to tell us about the data Lighthouse is using to evaluate metrics. But it comes with caveats. So why use lab data at all?

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Signals For Customizing Website User Experience

Smashing Magazine

Approximately two-thirds of Indian mobile Chrome users of Smashing Magazine have this setting turned on, for example. For Smashing Magazine, that involved dropping some of our web fonts. And Is It Used? Again, I talked about this that previous article , and the answer is a resounding yes! Data Saver. Network Signals.

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Improving The Performance Of An Online Store (Case Study)

Smashing Magazine

And while you can usually cache the full page of an article, the same is not true of many shop pages and elements. Some are user-specific, like the shopping cart in the header or the wish list, and due to the personal nature of the data, they should never be cached. But even in the planning phases, traps await. Font Loading.

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

Smashing Magazine

Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. You need a business stakeholder buy-in, and to get it, you need to establish a case study on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Table Of Contents. Setting Realistic Goals. Defining The Environment.