For an E-commerce business site, speed is a critical aspect that every online store owner must prioritize to ensure a seamless shopping experience for customers.
Slow-loading websites can lead to customer frustration and result in potential sales losses.
As Magento 2 is a powerful and feature-rich e-commerce platform, ensuring optimal website performance is crucial for providing a seamless user experience.
One effective strategy to improve performance is to defer the parsing of JavaScript. This innovative approach aims to enhance your site speed, providing a faster and more responsive shopping environment for your customers.
By doing so, you can prioritize the loading of critical resources first, resulting in faster page load times and better overall user satisfaction.
Magento 2 Defer JavaScript Extension allows you to ensure that your customers have a seamless visiting experience to the website.
With this extension, you will be able to offer your customers the satisfaction of easy browsing of the services and products.
How Does Magento 2 Defer JavaScript Work?
Defer parsing JavaScript in Magento 2 typically involves delaying the execution of JavaScript until after the initial HTML document is fully loaded.
Instead of manually making code changes, the Defer parsing of JavaScript Magento 2 module automatically puts all JavaScript at the bottom of the page to be lastly loaded. This enables the browser to load all the CSS and HTML first and then load the JavaScript files.
In this article, we will guide you on how the MageAnts Defer JavaScript extension works in Magento 2.
Step-1: Extension Configuration:
After Installation of the Extension, go to the Magento admin panel to set the configuration of the extension.
In this step, the store admin needs to configure below settings:
- Enable: Set Yes to Enable module.
- Defer IFrames: If selecting Yes, then embedded code using IFrame tag of your website will load only when your site finishes loading completely. This thing will cause the defer score of your website to decrease or the site will not perform fast enough for a better customer experience.
- Exclude Controller: Write down your wished controllers and click the Add Match button that you want to disable Defer JS for Magento 2.
- Exclude Paths: Write down your wished paths or controllers and click the Add Match button that you want to disable Defer JS for Magento 2.
- Show Controllers And Paths: Show the Current page Controller and path at the end of the page.
- Put JavaScript In HTML Body Tag: After selecting yes, the JavaScript gets called in the HTML body tag.
Step-2: Front-end Example:
After selecting Yes for Show Controllers And Paths, you can find information about the Current Controllers & Paths in the table at the end of the frontend page:
Conclusion:
Defer parsing of JavaScript in Magento 2 is essential for optimizing performance, reducing load times, and providing a more responsive and efficient user experience.
By strategically deferring the parsing of non-critical JavaScript, you ensure that your online store loads quickly and smoothly, meeting user expectations and potentially improving search engine rankings.
