Why Does My Cart Page Show Up Blank on Shopify? A BemeApps Guide

By Tony Ng.
February 1st, 2025

Why Does My Cart Page Show Up Blank on Shopify? A BemeApps Guide

Understanding the Blank Cart Page Issue

Experiencing a blank cart page on your Shopify store can be frustrating, especially when you've invested time in customizing your theme. This issue can stem from various factors, including theme errors, CSS conflicts, or JavaScript malfunctions. In this guide, we'll delve into the common causes of a blank cart page and provide a step-by-step solution to resolve this issue.

Common Causes of a Blank Cart Page

1. Theme Customization Errors

When you customize your Shopify theme, you might inadvertently introduce errors that cause the cart page to malfunction. This is especially true if you've edited the theme's code without a clear understanding of how it works.

2. CSS Conflicts

CSS conflicts can occur when multiple stylesheets are loaded, leading to unexpected results. If the styles applied to the cart page are overridden or not loaded correctly, it could result in a blank page.

3. JavaScript Issues

JavaScript is often used to handle cart functionality. If there's a syntax error or a script fails to load, the cart page might not display as expected.

4. App Interference

Shopify apps can sometimes interfere with the default functionality of your theme. An app might inject its own scripts or styles that conflict with the cart page.

Step-by-Step Guide to Fix the Blank Cart Page

Step 1: Backup Your Theme

Before making any changes, ensure you have a backup of your current theme. Go to Online Store > Themes, click Actions, and select Duplicate. This will create a copy of your theme that you can revert to if needed.

Step 2: Check for JavaScript Errors

Open your browser's developer tools (usually F12 or right-click and select "Inspect"). Navigate to the Console tab and refresh your cart page. Look for any JavaScript errors that might indicate what's going wrong.

Step 3: Review Theme Customizations

Go to Online Store > Themes, click Actions, and select Edit Code. Check any custom JavaScript or CSS files you've added for errors. Pay special attention to base.css, theme.css, style.css, main.css, and custom.css.

Step 4: Add or Adjust CSS

If you suspect a CSS issue, try adding the following code to your CSS file:

.drawer__inner.gradient.color-scheme-1 {
    background: black !important;
}
quantity-popover .quantity {
    background: black !important;
}
button#CartDrawer-Checkout {
    background: black !important;
}
.cart-drawer__empty-content .button {
    background: black !important;
}

This code forces certain elements to have a black background, which might resolve visibility issues.

Step 5: Test for App Conflicts

Disable any recently installed apps to see if they are causing the issue. You can do this by going to Apps in your Shopify admin and temporarily uninstalling them.

Step 6: Revert to Default Theme Settings

If the issue persists, consider reverting to the default settings of your theme. This can help determine if a customization is causing the problem.

Additional Tips

Clear Cache: Sometimes, browser cache can cause display issues. Clear your cache and cookies to ensure you're seeing the most up-to-date version of your site.
Contact Support: If you've tried all the steps and the issue persists, consider reaching out to Shopify support or a Shopify expert for further assistance.