Thank you for a reply!
I have installed this plugin.
And some files of woocommerce have a very hight load on web sait
see:http://new.spikeserver.ru/wp-admin/new.spikeserver.ru.error.log
http://new.spikeserver.ru/wp-admin/mysql-slow.log
http://new.spikeserver.ru/wp-admin/mysql-all.log
http://new.spikeserver.ru/wp-admin/php-slow.log
test web sait new.spikeserver.ru with default theme!