I like to do my post layouts in the context of a blog like this:
<ul class="layout1">
<li class="post">..</li>
<li class="post">..</li>
..
</ul>
Which pans out to something like:
This allows me to, in my brain say "Okay, this is a LIST OF posts", it just doesn't look like a vertical list:
Concretely, is this an issue in terms of (1) performance and (2) SEO?