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Reduce unused JavaScript shopify [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed yesterday. Improve this question My shopify website not increasing page speed performance and showing some errors -> Reduce unused JavaScript -> Reduce unused css Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript I have installed a app for SEO optimization but not effecting
Improving page speed performance and addressing issues like "Reduce unused JavaScript" and "Reduce unused CSS" in a Shopify website involves optimizing various aspects. Here are some general steps you can take: Audit Your Site: Use tools like Google PageSpeed Insights, Lighthouse, or GTmetrix to identify performance bottlenecks and get specific recommendations. These tools can provide insights into areas where improvements are needed. Minimize and Combine JavaScript/CSS Files: Reduce the number of external requests by combining multiple JavaScript or CSS files into one. Additionally, minify these files to remove unnecessary characters, comments, and whitespace. Lazy Loading: Implement lazy loading for images and other non-critical resources. This allows the browser to load content as it becomes visible to the user, reducing initial page load time. Defer JavaScript Execution: Defer the loading of non-essential JavaScript to ensure that critical content is loaded first. This can be achieved by using the defer attribute on script tags or loading scripts asynchronously. Optimize Images: Compress and optimize images to reduce their file size without compromising quality. Use modern image formats like WebP and serve different sizes for different devices (responsive images). Remove Unused Code: Identify and remove any unused or unnecessary code in your theme, stylesheets, and scripts. This can significantly reduce the payload size. Caching: Leverage browser caching to store static files locally, reducing the need to download them on subsequent visits. Also, enable Shopify's built-in caching mechanisms. Content Delivery Network (CDN): Use a CDN to distribute your content across multiple servers worldwide. This can improve loading times for users in different geographical locations. Shopify Apps: Review and optimize the Shopify apps you have installed. Some apps may add additional JavaScript or CSS that could impact performance. Consider whether certain apps are essential or if there are more lightweight alternatives. Upgrade Shopify Plan: Consider upgrading your Shopify plan to gain access to additional performance features, such as automatic image optimization. Seek Professional Help: If you're not comfortable making these changes yourself, consider hiring a Shopify expert or developer to optimize your store. Remember to back up your theme before making significant changes, and test optimizations on a staging environment to ensure they don't negatively impact your site's functionality. Additionally, keep monitoring your site's performance regularly to address any new issues that may arise

December 28, 2023

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