I have installed W3TC and I am seeing a behaviour which is not desired.
Normally our webpage looks like this: https://www.dropbox.com/s/3wle2rqe360r40o/Screenshot%202015-11-15%2010.11.58.png?dl=0
But at times, when I visit the website (from a different browser where I am not logged in) I can see something like this:
As soon as I clear the cache, the problem disappears. But I do not wish to keep clearing the cache as it would defy the very purpose of using cache.