English: JavaScript files should be served with GZIP compression to minimize total network bytes. Fewer bytes downloaded means faster page loads. Hummingbird can help you compress your JavaScript files.
Dutch: JavaScript bestanden moeten worden voorzien van gzip compressie om totale netwerk bytes te minimaliseren. Minder gedownloade bytes betekent snellere pagina's. Hummingbird kan je helpen je JavaScript bestanden te comprimeren.