idodam on "[Plugin: WooCommerce] blank white screen cover my store in every click"

Hi,
Blank white screen cover my store and product in every first click or refresh of a category or products.
you can look on this link:
http://dresssmart.co.il/%D7%97%D7%A0%D7%95%D7%AA/
any idea why.. need help :)

https://wordpress.org/plugins/woocommerce/

Not seeing anything.

you need to scrool down with the mouse a little bit when you are enter first time or refresh the page