configuración de NGinx optimizada para pagespeed

nginx_config

gzip on;
gzip_disable "msie6";

gzip_vary on;
gzip_proxied any;
gzip_comp_level 6;
gzip_buffers 16 8k;
gzip_http_version 1.1;
gzip_min_length 256;
gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript application/vnd.ms-fontobject application/x-font-ttf font/opentype image/svg+xml image/x-icon font/woff2;

location ~* \.(?:ico|css|js|gif|jpe?g|png|woff|ttf)$ {
	expires 90d;
	add_header Pragma public;
	add_header Cache-Control "public";
}