Hey @SpeedoDeveloper
To make a long story short, optimizing the load speed of your Shopify store needs technical know-how and experience with handling liquid code.
As most of us are unsure how removing unused javascript works, we will try to address all your doubts and queries concerning removing unused javascript from the Shopify store script.
However, for practicing this you must have some basic coding knowledge and must be versed with javascript to follow the below instructions.
Else, you can Inbox our Experts team who can help you completely optimize your page speed at no cost for the first time.
What is Unused Javascript or CSS?
Your Shopify store’s front-end code uses a wide range of programming languages like JavaScript and CSS for an interactive user experience. However, it has its implications, adding coding resources in the form of scripts and apps usually comes with performance downgrades on your sore page.
Unused Javascript is the non-critical Javascript that is not used for the content in the webpage. These are generally left behind after you remove the previously added third-party apps into your Shopify store script.
Note: Don't follow this without a technical background, we suggest you take the help of a technical expert like us.
Remove unused CSS and unused Javascript:
- Check the Assets folder of the theme and check for unused JS and CSS files
- Now remove unused CSS and Javascript files
- Check and remove the unused apps, if any
- If your store has not installed any app you can comment {{ content_for_header }} code in the theme.liquid
To remove unused apps along with the code use scripts under the condition of the theme.liquid file.
For example:- If a script is required to only load on the home page then you need to set a condition like this
{% if template == "index" %}
//script goes here
<script src="{{ script link}}" ></script>
{% endif %}
To include the script on a product page, use the below-provided code:
{% if template == "product" %}
//script goes here
<script src="{{ script link}}" ></script>
{% endif %}
To include the script on the collection page, use the below-provided code:
{% if template == "collection" %}
//script goes here
<script src="{{ script link}}" ></script>
{% endif %}
Note: This is not advised if you don't have knowledge about liquid.
The above steps help you remove the unused Javascript(JS) file and CSS files that make your website page script heavier resulting in slower load performance of the page.
Although, removing unused javascript is one of the many processes of speeding up and optimizing your web page speed. You can try other solutions also.
If you want to learn more about Optimizing your Shopify store and increasing website speed by upto3x, Connect with us.
Hope this solution was helpful.
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