Ever had trouble getting a new favicon to show? There’s a very simple way, as follows, by adding a querystring and version number to the icon href.
For example:
<link rel="shortcut" type="image/x-icon" href="favicon.ico?v=2" />
It’s as simple as that. Just remember to alter the v=x with every change.
Testing responsive sites on real devices is the ideal, if you have access to them. Using Electric Plum or BrowseEmAll can be useful too but these days browsers have built-in emulation modes of their own. In this Sitepoint article Craig Buckler runs through the Mobile Emulation Mode in Chrome 32 ......