This can get interesting. ESI, as I've understood it, makes it possible to display on a website "Welcome back Mr. Bengtsson" but have other parts of the page cached through something like Squid. So far I've only used Squid to cache the whole page. From the
<html> to the
There is now some development to combine ESI and Squid, what I gather from this blog entry on plope.com I hope to be able to experiment with this here on my site.