Here is the easiest way to stop your site from saving itself to your visitors' computers:
Between your <HEAD> and </HEAD> tags, place this code:
<META http-equiv="Pragma" content="no-cache">
That line will cause your browser to say: "Do not save a local copy. Load from the server." Simple right? Right! This little tip can save a lot of headaches.
What is the downside to no-cache? If you have a large amount of images on your page, and they take a long time to load, no-caching will cause the images to load again each time. If they are cached, images will be already saved already and will load more faster.
and btw i believe it is shift-refresh, not ctrl-refresh for a hard refresh
