We recommend this code for mod_deflate:

AddOutputFilterByType DEFLATE text/css text/csv text/html text/plain text/richtext text/sgml text/tab-separated-values application/javascript application/x-javascript httpd/unix-directory
AddOutputFilter DEFLATE html htm shtml php php4 pl rb py cgi css js txt
BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch \bMSIE !no-gzip !gzip-only-text/html

and this for mod_brotli:

AddOutputFilterByType BROTLI_COMPRESS text/css text/csv text/html text/plain text/richtext text/sgml text/tab-separated-values application/javascript application/x-javascript httpd/unix-directory