The performance impact of using jQuery in WordPress themes

Author: WordPress.org

Date: October 4, 2021 

Category: Make WordPress Themes

While it has been widely known that you might not need jQuery for most of your interactive theme features, jQuery is still a common JavaScript dependency found in WordPress themes – for example, 7 out of the 11 default themes since Twenty Ten are using jQuery in the frontend. jQuery has been bundled in WordPress core for more than a decade, and it has been the most used JavaScript library across the web for a long time. However, it became popular when browsers were still very inconsistent in their JavaScript implementations and feature sets, and jQuery made it easy to

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