Note: If you are having problems after updating to WordPress 5.0, please make sure you have the latest version of Divi (3.20+) installed as we have included a number of compatibility fixes. You can learn how to update Divi here.
This troubleshooting guide may require that you make server-side changes to your website. If you are not comfortable making those changes, you will need to contact your hosting provider for assistance.
The Visual Builder not loading may be caused by a number of things and often there is no error attached to indicate the problem. Listed below you will find a few things that can cause issues with the Visual Builder initialization.
PHP Limits
Each environment is set up differently and hosting providers can limit PHP directives value for various reasons.
Here is a list of configuration directives that are optimal for running a WordPress website:
memory_limit 128M
post_max_size 64M
max_execution_time 180
upload_max_filesize 64M
max_input_time 180
max_input_vars 3000
PHP Version
We recommend running the PHP 7.2+ version (or at least PHP 5.6). Most hosting providers have an option to change the PHP version from their cPanel, however, if that is not the case you can always reach out to them and they should be able to take care of it for you.
Cache
Caching is a very complex set of systems that can easily cause conflicts between scripts. Make sure to always clear all your caches once a plugin, theme and the WordPress core has been updated.
Cache may include:
Browser Cache (Tutorials on clearing your browser cache)
Plugin Cache
CDN Cache
Server-side Cache
Plugin(s) Conflict
Sometimes plugins can conflict with a theme or with each other.
Disable all your plugins and see if the problem persists. If everything is working once the plugins were disabled it means there's a conflict with a plugin or maybe even a set of plugins.
Enable the plugins one by one to identify the one that is creating the conflict.
The latest version
Make sure that you are running the latest version of Divi, Extra or the Divi Builder plugin.
Consider switching to Divi Hosting
We partnered with our favorite WordPress hosts to create the best hosting solution for Divi. On Divi Hosting, PHP limits and PHP versions are already sufficient, so you don't need to worry about your server preventing the Visual Builder from loading. Plus Divi Hosting comes with Divi pre-installed and activated automatically 😄