Reply to Missing Blog Posts

I searched for this first and couldn't find anything so my apologies if this is known.

When I go to djranking s.com on my computer (Mac OSX & Chrome up to date) I don't always see the most recent blog post in the main feed. If I look at the "recent posts" list on the side of the page a lot of times there are posts that don't show up in the main section of the blog (see pic).

Screen Shot 2013-08-14 at 5.42.39 PM.jpg

If I go to the blog on my phone though, I see all posts in the correct order. Is this how it's supposed to work?