Addy Osmani explains how and why JavaScript is the most expensive resource your site uses today—especially on mobile. Addy also shares tips for fixing JavaScript performance issues so everything loads quicker. A little discipline can help if you want your site to load and be interactive as soon as possible on mobile.

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Further reading

☞ The Complete JavaScript Course 2019: Build Real Projects!

☞ Vue JS 2 - The Complete Guide (incl. Vue Router & Vuex)

☞ JavaScript Bootcamp - Build Real World Applications

☞ The Web Developer Bootcamp

☞ New ES2019 Features Every JavaScript Developer Should Know

☞ Best JavaScript Frameworks, Libraries and Tools to Use in 2019

☞ 12 tips for writing clean and scalable JavaScript

☞ 10 JavaScript Charting Libraries for Every Data Visualization Need

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