Best Practices for Improving Shopify Store Load Speed and Performance

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What are some best practices for optimizing the load speed of a Shopify store? Are there any particular apps or tools that can help improve site performance? How can I ensure that my store is loading quickly for customers, especially on mobile devices?

Replies 4 (4)

Shopify Partner
15903 2378 3087

Hi @comunicado_fuel 

You need to work on the following points :

  • Theme Upgrade if there is a scope and upgraded theme available
  • Reduce JS Payload.
  • Use Critical CSS.
  • Replace GIFs With Static Images
  • Reduce Large Image Sizes
  • Migrate Tracking Codes To Google Tag Manager
  • Compress Images
  • Limit Third-Party JavaScript & Shopify Apps
  • Preload Web Fonts. 
  • I suggest limiting it to one and using a standard web font.


Theme Upgrade :

Its benefits include improved loading speeds, which can help with both user experience and store conversion rates, and search engine optimization. 


Refer to this blog :


After determining the Long Tasks and the code blocks and web page assets that are causing them, optimizing Total Blocking Time can be possible. To optimize the Code Blocks that busy the main thread longer than 50 MS, the methods below can be used.

  • Reduce the Request Count of the Third-Party Scripts
  • Reduce the Size of the Third-Party Scripts
  • Minimize the Browser’s Main Thread Work
  • Clean the Unused Javascript and CSS Codes
  • Compress the Javascript and CSS Files
  • Implement the Code Splitting for Javascript Assets


You can choose from several fonts for the text in your online store. To avoid downloading a new font to your customer's computer, you can use a system font.


How to avoid showing invisible text :


The easiest way to avoid showing invisible text while custom fonts load is to temporarily show a system font. By including font-display: swap in your @font-face style, you can avoid FOIT in most modern browsers.




Remove unused CSS and unused JS:


  • Check the assets folder of the theme and remove unused CSS and JS file
  • Check and remove unused apps
  • If your store has not installed any app you can comment {{ content_for_header }} code in the theme.liquid (not recommended if you don't have knowledge about the liquid)

By fixing these issues, your website speed score can definitely improve.

For more details please check the link below.

If anything needs to be included or clarified then feel free to ask.  We will surely help you. 

Have a nice day!



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Shopify Partner
2405 223 540

Hello @comunicado_fuel,

I am Gina from flareAI app helping Shopify merchants get $5Million+ in sales from Google Search, on autopilot.

There are several best practices you can follow to optimize the load speed of your Shopify store:

1. Optimize your images
Use high-quality images that are optimized for the web. Compress them to reduce their file size without sacrificing quality. Use the appropriate image format for the type of image you're using.

2. Minimize the number of apps you use
Every app you install on your Shopify store can impact your site's performance. Uninstall any apps that you don't need or that you're not using.

3. Use a responsive theme
Make sure your Shopify store's theme is mobile-friendly and responsive. This will ensure that your site loads quickly and looks great on all devices, including smartphones and tablets.

4. Minify your code
Minifying your code means removing any unnecessary whitespace, comments, and other characters from your HTML, CSS, and JavaScript files. This can help reduce the file size of your code and improve your site's performance.

5. Enable browser caching
Caching allows your site's pages to be stored in a user's browser cache, which can help reduce the time it takes for your pages to load.

6. Monitor your site's performance
Use tools like Google PageSpeed Insights or GTmetrix to monitor your site's performance and identify any areas where you can improve.

You can go through the apps in the Shopify app store and based on your pricing and requirements choose apps that help you optimize your Shopify store's performance.

To ensure that your store loads quickly for customers, especially on mobile devices, you should focus on optimizing your site's mobile performance. This includes using a mobile-friendly theme, and optimizing your images for mobile devices. You should also monitor your site's mobile performance regularly to identify any areas where you can improve.


flareAI : Get Sales from Google Search, on Autopilot
$10+ billion in eCommerce on Google Search, every day. Find out how much you are missing

Shopify Staff
2953 289 510

Greetings, @comunicado_fuel.


Thank you for reaching out and posting this question!


I'm delighted to see that you're able to get some great suggestions from our Shopify Community! While there are a number of factors that you can control to improve the performance of your online store, the easiest option is by limiting the number of apps installed and using only apps that are necessary to run your business. As for some of the other options, you can learn more about the factors you can and can't control using our guide: Improving your online store speed


I noticed that you're a new member of our Shopify Community! Once you've had a chance to look over the resources and suggestions on this thread, I'd love to hear more about your experience so far and share some resources to help you get started. What kinds of products are you selling? Do you have a marketing plan prepared for your store?


Elias | Social Care @ Shopify 
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Shopify Expert
1120 134 141

Hi @comunicado_fuel 

I hope you are doing good and welcome to the Shopify Community!
I am San from MS Web Designer.

For Improving Shopify Store Load Speed and Performance, you need to optimization your store.

Few Tips to Speed Up your Shopify store-
1. Use compressed images
2. Optimize use of Shopify apps
3. Implement AMP
4. Consider Professional Help
5. Use a single Hero Image
6. Minify Js/Css files



If it’s helpful to you, please mark it as a solution.  

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