When you access your site and you notice an empty screen with white background in your web browser it means your site is suffering from a white screen of death.
Here we discuss the reason that can cause the white screen of death error and also we'll discuss the possible solutions to fix this issue.
1) Plugins are incompitible.
several times the plugins you have installed are not compatible, in this case, you can try the solution mentioned below:
--> Please deactivate all the plugins from your WordPress dashboard and after that re-install them one after another.
--> If you are not able to access the dashboard, you have to log in to your website through FTP after that identify the folder named wp-content/plugins now just simply rename it with plugins_old. Once you have done this it will deactivate all your plugins.
2) Theme issue.
More often white screen of death occurs once you install a new theme to your WordPress website. In order to solve this issue please refer to the fix mentioned below:
--> Please log in to the WordPress dashboard> activate the default theme.
--> If you are not able to access the WordPress dashboard you have to log in to your website via FTP after that identify the /wp-content/themes/ folder and then rename it with the current theme.
You can use WP_DEBUG feature, it will provide you with more detailed information.