Under the hood, GoAccess has a wide range of settings you can access via goaccess.conf
First job is to find your .conf file
$ goaccess --dcf
# Enable parsing/displaying the given panel.
#
#enable-panel VISITORS
#enable-panel REQUESTS
#enable-panel REQUESTS_STATIC
#enable-panel NOT_FOUND
#enable-panel HOSTS
enable-panel OS # Removed comment
enable-panel BROWSERS # Removed comment
#enable-panel VISIT_TIMES
#enable-panel VIRTUAL_HOSTS
enable-panel REFERRERS # Removed comment
enable-panel REFERRING_SITES # Removed comment
enable-panel KEYPHRASES # Removed comment
#enable-panel STATUS_CODES
#enable-panel REMOTE_USER
#enable-panel CACHE_STATUS
enable-panel GEO_LOCATION # Removed comment
#enable-panel MIME_TYPE
#enable-panel TLS_TYPE
Once set you can then go and run $ goaccess /var/log/nginx/access.log --log-format=COMBINED and see some referring data
e.g.
Referrers URLs Total: 21/21
Hits h% Vis. v% Tx. Amount Data
---- ------ ---- ------ ---------- ----
372 90.07% 106 88.33% 5.88 MiB -
9 2.18% 0 0.00% 0.0 B http://xxx.yyy.zzz/example.html
6 1.45% 6 5.00% 12.79 KiB https://xxx.yyy.zzz/example.html
5 1.21% 1 0.83% 266.99 KiB http://xxx.yyy.zzz/example.html
2 0.48% 1 0.83% 2.95 KiB https://xxx.yyy.zzz/example.html
2 0.48% 2 1.67% 19.84 KiB http://xxx.yyy.zzz/example.html
2 0.48% 2 1.67% 2.79 KiB https://xxx.yyy.zzz/example.html