What is meta? ×  Sorry for my curiosity, but...  StackOverflow
is using an invisible image to increase view count. It's source
is set to something like this:   What is [Code] for? Why do you
need it?  I can't see the whole picture...   I can't see the
whole picture...  I don't mean the invisible image, but the way
view counting is working...  share|improve this question ...
that's because the picture is invisible. –  kennytm Aug 28 '10
at 17:24 Where did you get "increase view count" from? – 
Michael Mrozek Aug 28 '10 at 17:39
theeggeadventure.com/wikimedia/index.php/… I think 'ivc' from
.../ivc/[Code] stands for 'increase view count' –  denis_n Aug
28 '10 at 17:41 Also the image is returning 204 status code. You
can check this in Firebug. –  denis_n Aug 28 '10 at 18:05  2
Answers 2  It's probably just a nonce, to avoid for example you
embedding that image in your website thereby artificially
increasing the view count.  Probably this is done with an image
rather than the actual page to exclude automatic scrip