server-configs-nginx/h5bp/web_performance/pre-compressed_content_gzip.conf

# ----------------------------------------------------------------------
# | GZip pre-compressed content                                        |
# ----------------------------------------------------------------------

# Serve gzip compressed CSS, JS, HTML, SVG, ICS, and JSON files if they exist
# and if the client accepts gzip encoding.
#
# (!) To make this part relevant, you need to generate encoded files by your
#     own. Enabling this part will not auto-generate gziped files.
#
# https://nginx.org/en/docs/http/ngx_http_gzip_static_module.html

gzip_static on;