Quantcast

This enables audience segmentation tracking via Quantcast, but it's switch off by default.

When it's enabled it downloads this http://edge.quantserve.com/quant.js (2.4kb gzipped and cached for a day.

Once it's loaded it logs a single http request to this end point,

```
http://pixel.quantserve.com/pixel;r=1213438151;a=p-73ktnlRTKQPTw;fpan=u;fpa=;ns=0;ce=1;je=1;sr=1280x800x24;enc=n;dst=1;et=1363615814332;tzo=0;ref=;url=http%3A%2F%2Flocalhost%3A9001%2Fsociety%2F2013%2Fjan%2F30%2Frobert-francis-man-behind-nhs-mid-staffs;ogl=
```

I've decided not to add the &lt;noscript&gt; tag, as we don't do it for revsci.net

Corresponding admin request for the switch, https://github.com/guardian/frontend-admin/pull/115

![](http://2.bp.blogspot.com/-h1MfgHYxcNU/US4nSH447DI/AAAAAAAAjfw/tm2ATZxYTCk/s320/05-Wolfang+RAUSCH+-+Bayern+Munich+Panini.png)