How to solve slow speed by deferring JavaScript in Magento

[marknguyen]

JavaScript is also a factor causing slow speed of Magento sites because when the browser processes a web page, it will load all HTML, CSS and JavaScript in an order from the beginning to the bottom. The browser often takes more time to load JS than HTML and CSS, which increases loading time and have bad impact on the whole site performance. Therefore, Deferring JavaScript extension is one of the best way to improve this issue effectively.

- Delay JavaScript loading till the last moment until the browser finishes processing HTML and CSS



- Defer Iframes effectively

- Improve page rank on Search Engine Result Page

- Enhance site speed quickly

Check it out for FREE Installation, FREE 1-year Support and Updates!

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[James]

For Magento 2, we also have Defer JavaScript to speed up websites effectively. With the same features like Magento 2 version, it is a very ideal module to improve sie performance and user experience.