In order to make sure that you won’t encounter any issues, you must configure the limits properly.

We recommend the following values:

  • max_input_vars – 3000

  • PHP version 5.3 and higher

  • upload_max_filesize – 32M

  • memory_limit – 128M

  • max_input_time – 300

  • max_execution_time – 300

If you don’t meet the server requirements many issues that you may run can appear:

  • White screen

  • Demo content fails when importing

  • Empty page content

  • Infinite loading

 

The solution is to increase the PHP limits. You can do this on your own, or contact your web host and ask them to increase those limits for you.


Useful link: http://www.wpbeginner.com/wp-tutorials/how-to-increase-the-maximum-file-upload-size-in-wordpress

 

When there is enough server configuration, the performance and speed will be increased.