Fixing WooCommerce Endless Loading spinner, Check out page loads the payment methods/totals via ajax – this display a loading spinner briefly. If there are problems using it on your checkout page using WooCommerce WordPress plugin, this section may fail to load or the spinner may remain.

WooCommerce Endless Loading Spinner

Fix WooCommerce Endless Loading Spinner
Fix WooCommerce Endless Loading Spinner


First, you should check WooCommerce > System Status for errors – often errors will be highlighted.

Still having problems? Common causes and resolutions are listed below.

AJAX error due to WordPress settings.

The URL’s in Settings > General need to match – this is because AJAX requests don’t work across different domains:

Fix WooCommerce Endless Loading Spinner
Fix WooCommerce Endless Loading Spinner


Other JavaScript errors and conflicts

Themes and plugins can often cause problems (especially poorly coded ones!) with JavaScript. To check for errors using your browser’s error console.

Fix WooCommerce Endless Loading Spinner


Invalid Response from an AJAX Call

View the XHR tab on your browser’s developer console and look at the response. The expected response would be JSON. If the response is HTML this can be caused by a couple of different things. Oftentimes this is caused by an index.html file in the root directory of the WordPress installation

Search Console


This can be resolved by either removing the index.html file or by adjusting the indexes directive on the server configuration and prioritizing index.php over index.html. Some caching plugins will also prepend HTML to the JSON response.

You may also see a response of -1, This is a security failure and is caused by a cached nonce.

Search Console
Search Console


You can also check for conflicts by turning off other plugins and switching to the default WordPress theme – this will often reveal the problem.

WP Memory Limit

We recommend at least 64MB. See: Increasing the WP Memory Limit

If you has this issue and fixed in another way or have questions feel free to write it up on the comments section

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