I've been using the same configuration and plugins on my xtheme site since a year.
I use woocommerce for my payment method only.
The site has been very slow since days and deactivated woocommerce has solve the issue, but now my payment method is not available to customers anymore.
I've checked with my server admin and everything is set for woocommerce site on the server.
The Query Monitor plugin show up 3 errrors linked to woocomerce but i don't how to solve this and if it is the cause of the site being slow.
Thanks for any help,