Here are some tips I've learned from nearly two years of blogging and consistently raising my site's traffic from month to month, often doubling it from previous months. Compared to some, I'm a rank newbie and have no business offering you any sort of pseudo-sage advice, but whatever I have to say below has already been said by others smarter than me. Most of it is hard-won insight that has worked for somebody somewhere, sometimes even me.
I’ve been running a new tool on my site for a couple days that hasn’t broken (yet) so I figure it’s time to announce it in case you’re interested. Enter: BlogRodent’s Del.icio.us Stuff. You’ll find my list of interesting things on the left (see, there?) and you can click from there, or go to the full page (link above) and see the brief comment I wrote for each item. If you’re silly about it, you can even watch my passing fancies in your favorite newsreader by subscribing. 
One of the things I hate about many weblogs is the insanely recursive and self-referential nature of many (if not most) of the posts out there. Blog A points, to blog B, which points to Blog C, which points back to