I did some tweaking to my blog a few days ago, and since then I have noticed that when I try to directly link to a specific post it will load the page as if I linked to the blog's homepage. Although the permalink address does show up in the browser's nav bar, it looks just like my regular blog homepage, displaying all posts instead of just the one I want to link.
I have no idea what caused this, since I did so many things to my blog that day. I did NOT install any plug-ins or new themes (though I just changed mine tonight to see if it would resolve the problem).
Also, the same thing happens when I try to navigate to different pages (such as my "about" and "contact" tabs).
My feed suddenly went kaput, before I even started having the permalink problem.
It doesn't validate anymore. It used to work just fine.
The site is AllerJeez.com if you'd like to check out the problems for yourself.
Thanks in advance.