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Web Performance Bookshelf

Rigor

High Performance Mobile Web. Maximiliano Firtman demonstrates which aspects of your site or app slow down the user’s experience, and what you can do to achieve lightning-fast performance. High Performance Images. A collection of practical articles on front-end website performance for front-end developers.

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How Partytown Eliminates Website Bloat From Third-Party Apps

Smashing Magazine

And slow websites are, in a way, discrimination: The majority of the world’s population don’t have access to high-speed Internet or fast CPUs. Even if your website is designed with usability in mind, these factors impede users from fully benefiting from the website’s features. More after jump! Large preview ).

Website 81
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Average Page Load Time in 2021

MachMetrics

Website performance & speed plays a major role in the success of an online business. High-performing fast sites attract and preserve users better than low-performing ones. Importance of page loading speed – Google checks your website load time and they like it as fast with a better user experience.

Cache 78
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An In-Depth Guide To Measuring Core Web Vitals

Smashing Magazine

A counterpoint however is that, for many Western sites at least, our mobiles are perhaps not quite as low-powered as tools such as Lighthouse in mobile mode suggest, as these are quite throttled. At the top is the big Lighthouse performance score out of 100. CrUX LCP dashboard ( Large preview ). CrUX is Chrome only.

Google 140
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Don’t Sink Your Website With Third Parties

Smashing Magazine

These services use requests to external hosts (not servers you control) to deliver JavaScript framework libraries, custom fonts, advertising content, marketing analytics trackers, and more. There are two big questions: How do you quantify the impact that these third-party requests have on website performance?

Website 131
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Improving JavaScript Bundle Performance With Code-Splitting

Smashing Magazine

It’s an admin page that has an overview of all user activity, accounts, and analytics (admin page). Users can browse the Internet using slow and unreliable networks, so minification, optimization, and code-splitting of JavaScript files ensure that the user downloads the smallest file possible. A single private page. A restricted page.

Code 89
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Front-End Performance Checklist 2021

Smashing Magazine

This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Explore how improving performance can help relieve some of these common problems. Vitaly Friedman. Large preview ).