July 10th, 2024

The Cost of JavaScript

JavaScript significantly affects website performance due to download, execution, and parsing costs. Optimizing with strategies like code-splitting, minification, and caching is crucial for faster loading and interactivity, especially on mobile devices. Various techniques enhance JavaScript delivery and page responsiveness.

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The Cost of JavaScript

The article discusses the impact of JavaScript on website performance, focusing on the costs associated with its download, execution, and parsing. It emphasizes the importance of optimizing JavaScript to improve site loading speed and interactivity, especially on mobile devices with varying network speeds and hardware capabilities. Strategies such as code-splitting, minification, compression, and caching are recommended to reduce the network transfer cost of JavaScript. The article also highlights the significance of parse and compile times, execution efficiency, and the need for testing on average hardware to ensure optimal performance. Various techniques like PRPL pattern and Progressive Bootstrapping are suggested to enhance JavaScript delivery and page responsiveness. Overall, the article provides insights and best practices for developers to minimize the negative impact of JavaScript on website performance and user experience.

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By @tracker1 - 3 months
This article is from 2017... It should be tagged in the title.

I was really curious why it was referencing so many tools that are pretty outdated at this point then went back to look at the date.