OptimizePress has been developed to WordPress codex standards. This means that our page builder will work beautifully with any well coded theme available for WordPress.
In most cases you can also use our page builder to create custom pages within your theme framework (using your theme header and footer) and make your blog posts and pages pop with beautiful layouts and functionality.
If you encounter any problems when using the OptimizePress page builder, or any of our plugins in our product suite, our support team will be happy to help.
One quick note: To ensure that OptimizePress pages load super-fast, we've excluded the code from external themes and plugins from loading on our blank templates and templates from our cloud. If you need any of these codes to run (for example you're using a plugin that adds an extra element to your OP pages) - we have a guide on how to quickly enable things here:
https://docs.optimizepress.com/article/2211-how-to-enable-styles-and-scripts-from-3rd-party-plugins
