You must make sure that both URLs are correct and use the same URLs for both options.

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A common cause of the “failed resource” error is incorrect WordPress URL settings. To fix this, simply go to the Settings » General page and look for the “WordPress Address” and “Site Address” options.


Note that WordPress treats www and non-www URLs as two different addresses. If you have an SSL certificate enabled on your website , your URLs should start with https instead of http.

Don't forget to click the "Save Changes" button to save your settings. You can now visit your website to see if the error has been resolved.

Method 5: Check your file and folder permissions
Sometimes files cannot be loaded correctly because list of spain cell phone number the file or directory permissions are incorrect. In this case, you will need to change them yourself using an FTP client or your hosting provider's cPanel .

For more information on how to troubleshoot file and folder permissions issues, see our article on how to fix file and folder permissions errors in WordPress .

Method 6: Enable debugging mode
If you have tried the methods above and still receive the “Failed to load resource” error message, you can enable WordPress debugging mode to get more detailed information to determine the cause.