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Why Optimizing Your Lighthouse Score Is Not Enough For A Fast Website

Smashing Magazine

Google Lighthouse is merely one tool in a complete performance toolkit. What it’s not is a complete picture of how your website performs in the real world. Sure, we can glean plenty of insights about a site’s performance and even spot issues that ought to be addressed to speed things up. And it’s fast.

Website 100
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Improving The Performance Of Wix Websites (Case Study)

Smashing Magazine

Six years ago, over 70% of sessions for Wix websites originated from desktops, with under 30% coming from mobile devices. Since then the situation has flipped, and now over 70% of sessions originate on mobile. As a result, customers prefer platforms that provide good performance — and avoid or leave those that don’t.

Website 141
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How Does Page Load Time Affect Your Site Revenue?

MachMetrics

” Look put these stats on some numbers: Effect on Sale: 79% of customers who report dissatisfaction with website performance are less likely to buy from that same site again. Factors such as the person’s current network connection and the general speed of the corresponding webpage will be considered. seconds faster.

Speed 93
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Web Performance Bookshelf

Rigor

These are the bestsellers in the web performance field, including the good old Speed Up Your Site (2003) by Andy King; Steve Souders’ Even Faster Web Sites (2009) ; Ilya Grigorik’s High Performance Browser Networking (2013) ; Tammy Everts’ Time is Money (2016) ; and a handful of more recent publications.

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The psychology of site speed and human happiness

Speed Curve

Slow websites are just one problem, but for those of us who spend much of our work and personal time online, slow sites creates extra friction in an already friction-filled world. Web stress" is measurable When websites perform poorly, we react badly. This is not surprising given what we now know about our deep craving for flow.

Speed 138
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Thinking About Power Usage and Websites

CSS - Tricks

We discover a statistically significant negative correlation between performance scores and the energy consumption of mobile web apps (with medium to large effect sizes), implying that an increase of the performance score tend to lead to a decrease of energy consumption. The less across the network, the less electricity.

Website 98
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An In-Depth Guide To Measuring Core Web Vitals

Smashing Magazine

The fact that RUM data is used, is an important distinction because some of these metrics (FID excepted) are available in synthetic or “lab-based” web performance tools like Lighthouse that have been the staple of web performance monitoring for many in the past. At the top is the big Lighthouse performance score out of 100.

Google 143