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how to remove unused javascript code shopify

Published on: July 6 2023 by pipiads

So, you've been running your Shopify store for a while now and have been installing various apps to enhance your store's functionality. However, as time passes, you decide to clean up your store and remove the apps that you don't need anymore. But even after deleting these apps, you notice that your store's performance or speed hasn't improved. Why is that? In this video, we'll explore how to improve your Shopify store's speed and performance.

Reasons why your Shopify store speed is still the same:

1. The app doesn't slow down your store or make any changes to your front-end.

2. The apps you deleted left a bunch of snippet codes that weren't removed by the app.

Tips and tricks to clean up your Shopify store:

1. Make sure you know your way around your Shopify store and have a backup of your theme.

2. Scan through your theme.liquid file using the search function to find the lines of code that are unused.

3. Check if the file being referenced in your theme.liquid file is being used by a Shopify app or not.

4. Use website tools like GT Metrics or Google Speed Insights to determine what can slow down your store.

5. Use TinyJPG.com to compress heavy images.

Removing unused codes or files from your Shopify store can improve your store's speed and performance. Remember to always have a backup of your theme and use website tools to optimize your store. If you have any questions, leave a comment below. Thank you for watching!

How to remove render blocking java scripts in Shopify theme

In this article, we will discuss various topics ranging from serious issues like the Syrian conflict to light-hearted topics like KFC and Top Model. We will also cover idioms, transitional phrases, interjections, and colloquialisms to make the article more engaging and interesting.

1. The Syrian Conflict:

- The conflict in Syria is one of the most severe and pressing issues in the world today.

- The United States has imposed sanctions on Syria, which has led to a severe economic crisis.

- Many Syrians have fled their homes and become refugees in other countries.

- The situation in Syria is still unstable, and the international community must work together to find a solution.

2. KFC and Wechat:

- KFC has recently launched a new feature on Wechat, allowing customers to order food directly from the app.

- This new feature is convenient and saves time for customers who want to avoid long lines.

- KFC is known for its delicious fried chicken, and this new feature will make it even easier to enjoy.

3. Top Model:

- Top Model is a popular TV show that features aspiring models competing for a chance to win a modeling contract.

- The show is known for its drama and intense competition.

- The second season of Top Model is coming soon, and fans are eagerly anticipating the new contestants and challenges.

4. Miscellaneous Topics:

- Selina Maguire Coppola has recently released a new book that has received critical acclaim.

- Bolsamobyshop is a popular online store that sells a wide range of products.

- Many people are using the Tiki app to shop online, which is convenient and easy to use.

- The Chiue media company has recently launched a new video clip featuring Lexi, a popular influencer.

In conclusion, this article covers a wide range of topics, from serious issues like the Syrian conflict to light-hearted topics like KFC and Top Model. We have also incorporated various language features to make the article more engaging and interesting for readers.

Fix Render Blocking Resources in Shopify

How to Speed Up Your Shopify Site by Limiting Render Blocking Resources

If you're experiencing slow loading times on your Shopify site and have been told that you have render blocking resources, there are ways to fix it. By limiting the resources being loaded on every page, you can improve your site's performance. Here's how to do it:


1. Open Google Chrome and go to the website you want to test.

2. Open the Developer Tools by clicking on the three dots in the top right corner and selecting More Tools and then Developer Tools.

3. Click on the Audits tab and run an audit in either a mobile or desktop environment.

4. Once the audit is finished, you'll receive a score on performance, accessibility, best practices, and SEO.

5. Click on Render Blocking Resources to see the list of resources that are slowing down your site.

6. Go to your Shopify site, click on Online Store, then Themes, and select Edit Code.

7. Look for the theme dot liquid file, which loads on every page of the website.

8. Use an if else statement to limit the resources being loaded to only the pages that need them. For example, if the template equals product, load this resource.

9. Repeat this process for any additional files or plugins that are slowing down your site.

10. Test your site's performance again and compare the results.


- Use the command F or ctrl F function to find specific files or resources in the code.

- Remember to duplicate your site and test changes on the duplicate before implementing them on your live site.

- Some resources, like the main CSS file, are necessary for your site to function properly and can't be eliminated.

- Running multiple audits can give you a better idea of your site's performance, but the numbers may vary each time.

By limiting render blocking resources on your Shopify site, you can improve its performance and speed up loading times. Use the steps outlined above and remember to test changes on a duplicate site before implementing them on your live site. Happy Shopify!

How to Remove Unused CSS and JS in WordPress | Increase Website Speed 3x 🔥

If you want your WordPress website to be fast and rank on Google, you need to remove unused CSS. In this tutorial, we'll show you how to easily remove unused CSS and improve your website's speed.

Steps to Remove Unused CSS:

1. Open the Developer Tools in your browser by clicking on the three dots in the top right corner and selecting More Tools and then Developer Tools.

2. Click on Coverage in the Developer Tools.

3. Reload the page and view the unused bytes section to see which CSS is not being used.

4. Double-click on the file name to open it and view the unused CSS marked in red.

5. Delete the unused CSS and save the file.

6. Upload the edited CSS file back to your website.

Removing Unused CSS for Plugins:

1. Find the CSS file for the plugin by going to wp-content/plugins/plugin-name/public.

2. Use the Editor to open the CSS file and delete any unused CSS.

3. Save the file and upload it back to your website.

Checking Website Speed:

1. Use a tool like GTmetrix to test your website's speed and view the results.

Removing unused CSS is an important step in improving your website's speed and ranking on Google. By following these steps, you can easily remove unused CSS from your WordPress website. Don't forget to subscribe to our channel for more useful tutorials in the future!

ASSET CLEANUP | Remove Unused CSS & JS (Improve website page speed scores)

In today's digital age, website loading speed is crucial for user experience and search engine optimization. One way to improve website speed is by optimizing the CSS and JavaScript code. In this article, we will discuss various tools and techniques to optimize CSS and JavaScript code for better website performance.

Techniques to Optimize CSS and JavaScript Code:

1. Use CSS and JavaScript minification to reduce file size and improve loading speed.

2. Optimize images by compressing them and reducing their size.

3. Use a content delivery network (CDN) to store static files and improve website speed.

4. Remove unused CSS and JavaScript code to reduce file size and improve loading speed.

5. Combine CSS and JavaScript files to reduce HTTP requests and improve website speed.

6. Use asynchronous loading for JavaScript code to prevent blocking and improve website speed.

7. Use CSS sprites to reduce HTTP requests and improve website speed.

8. Use lazy loading for images to improve website speed.

Tools for Optimizing CSS and JavaScript Code:

1. Google PageSpeed Insights: This tool provides suggestions to improve website speed and scores website performance on a scale of 0 to 100.

2. WP Rocket: This WordPress plugin offers CSS and JavaScript minification, lazy loading, and other optimization features.

3. Asset CleanUp: This WordPress plugin allows you to remove unused CSS and JavaScript code and improve website speed.

4. Elementor: This WordPress plugin offers optimization features such as CSS minification and lazy loading.

5. LiteSpeed Cache: This WordPress plugin offers optimization features such as CSS and JavaScript minification, lazy loading, and content delivery network integration.

Optimizing CSS and JavaScript code is essential for improving website speed and user experience. By using techniques such as minification, optimization, and asynchronous loading, and tools such as Google PageSpeed Insights and WP Rocket, you can improve website speed and scores on Google PageSpeed. With optimized CSS and JavaScript code, you can provide a better user experience and improve your website's search engine rankings.

How to Find Unused Javascript and CSS code

Today, we will discuss a concept called coverage, which is a Chrome Dev tool that helps us analyze and find unused JavaScript and CSS code in our applications. By removing this unused code, we can make our applications load faster, not only on the web but also on mobile devices.

Using Coverage:

1. Open Dev Tools:

We can use coverage in two ways:

- Go to the Dev Tools More Options and click on the Coverage option.

- Use the command shift and search for coverage.

2. Start Coverage:

Once we open coverage, click on start to record activities on the application.

3. Analyze Unused Code:

After we stop recording, we can find a list of files with unused code. By clicking on each file, we can see which lines of code are not being used and remove them from our application.

4. Refactor Code:

Before we remove any code, we need to go through each functionality and feature of the application and come to a conclusion on which lines of code are not being used. After we remove the unused code, we need to test the application to ensure that no other features are breaking.

Coverage is a useful tool for finding and removing unused JavaScript and CSS code from our applications. By using it, we can make our applications load faster and provide a better user experience.

How to Increase Your Shopify Speed Score (Shopify Speed Optimization) - Dropshipping 2021

In this article, we will discuss the importance of website speed and how to improve it. We will cover how to understand your website's speed score, assess the damage, and fix it for free. We will also provide tips for assessing your website's apps and code and removing any unnecessary elements to optimize speed.

Understanding Website Speed Score:

- Click on Online Store and scroll down to View Report

- Click See how your score is calculated to view metrics for homepage, product page, and collection page

- Check that the correct page is being analyzed by inputting the URL and running it three times

- Use GTmetrix to check fully loaded time and run tests three times to get an average score

- The green zone for GTmetrix is around 6 seconds, aim for a score of 30 or above

Assessing Apps and Removing Unnecessary Elements:

- Be wary of speed optimization apps, as they may slow down your website further

- Assess your apps and remove any that are not helping conversions or slowing down your website

- Dive into your code and remove any code left behind by deleted apps

- Use Ctrl+F to search for any remaining app code and remove it from your website

Website speed is crucial for user experience and conversions. By understanding your website's speed score, assessing the damage, and removing unnecessary elements, you can improve your website's speed for free. Remember to be ruthless when assessing your apps and code and to aim for a score of 30 or above.

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