Take the 2-minute tour ×  A site I get on allot has updated a
few of their files, and I wanted to know the meaning of them.
For example, their CSS, and majority of their images. Before
their update, the file was called "default.css" or
"navigation.png". Now with their new updates, their files and
images have this ?v at the end of them with a number, such as
"default.css?v2" or "navigation.png?v3". Can anybody explain to
me what does this mean?  share|improve this question This
question isn't asking about User Experience, but rather the
technicality of file naming conventions. –  slawrence10 Jan 3
'13 at 1:25 add comment  closed as off topic by Charles Boyung,
JonW Jan 3 '13 at 8:41   2 Answers  up vote 1 down vote accepted
its a method of versioning the otherwise stored static files.
Essentially browsers can store various files / filetypes locally
for any amount of time as it is dictated by the enduser. The
purpose of adding / appending these values is to juke said cache
without creating a file nightmare on