Speed up your website on an nginx server by adding modern gzip_types to nginx.conf in the http block

nginx.conf (gzip_types)

##
# Gzip Settings
##

gzip on;
gzip_vary on;
gzip_proxied any;
gzip_http_version 1.1;
gzip_disable "msie6";
gzip_static always;
gzip_comp_level 6;
gzip_min_length 1100;
gzip_buffers 16 8k;
gzip_types
        application/atom+xml
        application/font-sfnt
        application/javascript
        application/json
        application/ld+json
        application/manifest+json
        application/rss+xml
        application/vnd.geo+json
        application/vnd.ms-fontobject
        application/x-font-opentype
        application/x-font-ttf
        application-x-font-truetype
        application/x-font-woff
        application/x-font-woff2
        application/x-javascript
        application/x-web-app-manifest+json
        application/xhtml+xml 
        application/xml
        font/opentype
        font/truetype
        image/bmp
        image/gif
        image/jpeg
        image/png
        image/svg+xml
        image/x-icon
        text/cache-manifest
        text/css  
        text/javascript
        text/js
        text/plain
        text/vcard
        text/vnd.rim.location.xloc
        text/vtt
        text/x-component
        text/x-cross-domain-policy;