How-to enable gzip support on Nginx Plesk12

Create /etc/nginx/conf.d/gzip.conf with the following:

vim /etc/nginx/conf.d/gzip.conf
gzip on;
gzip_disable "MSIE [1-6]\.(?!.*SV1)";
gzip_proxied any;
gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript image/x-icon image/bmp image/svg+xml;
gzip_vary on;

restart ngix service from Plesk or ssh
gzip_types to compress other file types can be obtained from /etc/nginx/mime.types