Aug 21, 2014
<link rel="shortcut icon" href="http://website.com/favicon.ico?v=2" />
Favicons are cached pretty hard by most browsers. This can be an annoyance. Fortunately, there’s a meta tag you can put in your
<head> to specify the location of the favicon. Force the browser to grab a new one by appending
? + any string to the url of the favicon.