The network utilisation is much different between npm 2 and 3:<p><a href="https:&#x2F;&#x2F;github.com&#x2F;npm&#x2F;npm&#x2F;issues&#x2F;10380" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;npm&#x2F;npm&#x2F;issues&#x2F;10380</a>