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Magento 2 Defer JavaScript

1000+ downloads
Rating:
94% of 100
  • Magento 2
  • Magento 1

Reduce loading time, improve store performance and customer shopping experience with Magento 2 Defer JavaScript!

  • Defer parsing of Javascript to improve the rendering speed of sites
  • Effectively defer Iframes embedded on websites
  • Exclude homepage from deferring Javascript impact
  • Allow listing controllers and paths to be unaffected by deferring Javascript
  • Raise your ranking on SERPs

⇒ Proud to be the BEST Magento 2 Defer JavaScript extension for your website!

Community: 2.1.x - 2.2.x - 2.3.1
|
Enterprise: 2.1.x - 2.2.x - 2.3.1

Reduce loading time, improve store performance and customer shopping experience with Magento 2 Defer JavaScript!

  • Defer parsing of Javascript to improve the rendering speed of sites
  • Effectively defer Iframes embedded on websites
  • Exclude homepage from deferring Javascript impact
  • Allow listing controllers and paths to be unaffected by deferring Javascript
  • Raise your ranking on SERPs

⇒ Proud to be the BEST Magento 2 Defer JavaScript extension for your website!

Community: 2.1.x - 2.2.x - 2.3.1
|
Enterprise: 2.1.x - 2.2.x - 2.3.1
Links
 

Free
1-Year Support

 

Free
Lifetime Update

 

Free
Installation

 

(*) 30-Day
Money Back

$59.00
$59.00

Get to know

If your website is SLOW, you’re losing money FAST

According to Kissmetrics, 40% of customers abandon a website which takes them more than 3 seconds to load. Furthermore, they also said that a 1-second delay in page response can result in a 7% reduction in conversions. Hence, poor site performance means both customer and money loss. If you ignore, you are definitely a loser in the extremely competitive market.

Why can defer parsing of Javascript improve website performance?

The browser often loads codes from the top to the bottom of the page, it has to load the content of all <script> tags, which adds additional time to load the page. Thus, deferring parsing of Javascript helps to delay Javascript loading until the last moment when the browser finishes HTML and CSS loading. This makes necessary contents receive loading priority over JavaScript snippets that don’t need to be executed immediately. As a result, visitors don’t have to wait so long for content to appear, which improves customer shopping experience effectively.

Defer parsing of javascript to enhance the rendering speed of sites

Let's take a look at the following results generated by GTmetrix.com to see the differences:

As my explanation above, deferring JavaScript has a big impact on the time a website renders. By moving all JavaScript to the end of the page to be loaded later, the loading time can be reduced. We can depend on results generated by Gtmetrix to measure how well the site is performing.

Effectively defer Iframes embedded on websites

It means that the browser finishes loading your website before loading Iframes of other sites embedded on your webpage. When these sites are embedded on your site, the browser simultaneously loads JavaScript files of these pages, which can slow down your webpage. Hence, using this extension, there is no need to worry about the impact of external Iframes processing on your site performance anymore.

Raise your ranking on SERPs

Google indicated that site speed is used in ranking a website on both desktop and mobile searches. If you optimize the page speed by deferring JavaScript, it is obvious that your website is possible to be in a higher rank than other competitors with poorer performance.

Exclude homepage from deferring JavaScript impact

It is easy for you to enable or disable affection of Javascript deferring on the homepage in the module configuration.

Allow listing controllers and paths to be unaffected by deferring JavaScript

If you desire to exclude specific controllers and paths from being impacted by this feature, you can list them in the configuration based on a provided format. Besides, this module also supports displaying these controllers and paths in a table at the end of the page.

It’s your turn now!

This is one of the very hottest extensions we developed to serve customers over the past years. Many users trust, make purchase decision and get better results. And it’s your turn now!

 

Why choose BSS?

Competitive Price

Every merchant needs to survive – we do understand. That’s why we keep the price as low as possible.

Dedicated Support

We are all ears to your problems, either with our extensions or customizations. FREE 1-year support is included.

Open Source

The source code is completely open to inspect, modify and enhance according to your business purposes.

Verified by Marketplace

No worries about the code. This extension has passed the strict Extension Quality Program & been listed on Marketplace.

High Compability

Our modules work well with each other. Even you want ours to be compatible with those of others. We are here to help

Simple installation

We simplify and clarify the installation process, so you can get the extension played for your website in clicks.

Quick Update

Your business and customers’ demands are ever-changing. Our extensions are also up-to-date with new features.

Business expert

Our certified experts get involved from the extension development to support to bring you efficient and budget solutions.

Easy to Use

No need to install bunches of redundant features. We select the most relevant functions to ensure the user-friendliness.

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FAQs

  • Can I request trial?

    We do not provide trial versions for our extensions. However, we are happy to offer 30-day money back guarantee if our extensions fail to function properly due to a bug and we cannot support to fix it. However, we always try our best to assist customer in solving problems.

  • What should I do if I can’t install the extension?

    In case you cannot install the extension, please contact us to ask for more support. We are willing to install it for you based on our policy

  • How can I receive the updated version?

    When BSSCommerce publishes new version of any product, please take notice of the release note tab in the product page to get the update news about the new version. Customers purchased product from us can get the updated version by contacting us via email; we will send the new package version once we receive this kind of request. In addition, you can go to My Account -> My Downloadable Products to download the latest version of the extension.

  • Do your extensions support multiple domains?

    Our license allows you to use a single extension license on one Magento installation. The extension is not domain related, but installation related. If you run several domains on the same instance of Magento, you can use one extension license. However, if you run each website on a new installation of Magento, you need a separate license for each of them.

  • How can I check the result of Defer JavaScript in Gtmetrix?
    Just go to Gtmetrix.com, enter your website URL in the box and then you start processing. You had better test your site before and after using this module to see the differences in Defer score. If the Defer score of the site is higher, it means that Javascript files are being deferred effectively or on another hand, your site is performing better and better.
  • I see you have both Infinite Scroll and Lazy Image Loader extensions for Magento 2, so could these 2 modules work well with Defer JavaScript?
    Thanks for your interest! Both Infinite Scroll and Lazy Load extensions work very well with Defer javaScript without any conflicts. Hence, you can totally install them on your website.
  • Is your module still effective when browsing on Mobile?
    Thanks for your interest! When you browse your site on Mobile, this extension still works well to help you defer JavaScript loading till the last moment to improve site performance.
Release Note
  • v1.0.0: First Release
  • v2.0.2: Defer Iframe
  • v2.0.3: Fix unserialize issue on magento 2.2
  • v2.0.4: Compatible with Magento 2.3.1
  • v2.0.5: Fix missing summary on Bundle product page
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