GZIP сжатия в NGINX
/etc/nginx/nginx.conf
gzip on;
gzip_buffers 4 64k;
gzip_comp_level 6;
gzip_disable "msie6";
#gzip_min_length 32768;
gzip_proxied any;
#gzip_static off;
#gzip_http_version 1.1;
gzip_vary on;
gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript application/json;