Enable GZIP Encoding for all application/json responses

gzip.conf

<IfModule mod_deflate.c>

    <IfModule mod_setenvif.c>
        <IfModule mod_headers.c>
            SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)\s*,?\s*)+|[X~-]{4,13}$ HAVE_Accept-Encoding
            RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding
        </IfModule>
    </IfModule>

    <IfModule mod_filter.c>
            AddOutputFilterByType DEFLATE "application/javascript" \
              "application/json" \
              "application/ld+json" \
              "application/manifest+json" \
              "application/schema+json" \
              "application/geo+json" \
              "application/x-javascript" \
    </IfModule>

</IfModule>