Just out of curiousity:
Is there something different in the way that Safari handles images compared to other browsers?
I used to serve the logo of my site as a background-image from a CSS file so that it doesn't have to be re-loaded on every page (at least that's what I thought).
I recently switched to another approach because it's more in line with what Google prefers and with what people in this thread suggest.
<h1>
<a href="http://www.mycompany.com">
<img src="logo.png" alt="My Company" />
</a>
</h1>
However, when clicking through the pages the logo keeps flickering because Safari seems to be re-loading it on every page. Other browsers such as Chrome and Firefox are fine, though. It seems that they cache the logo.png when they first encounter it.
Any idea why this happens or how to prevent it?
