Blogging Frequently Makes Big Impact on Traffic

I have another website that actually gets more traffic than this one. I've had the site for several years, and it receives quite a few hits a day from search engines for various topics. Just recently, I started updating that blog much more regularly, daily instead of once or twice a month, and for some reason the traffic to my site is up a lot more.

Now I could understand this if people were searching and finding my site through new topics I'm talking about, but that's not the case. My site gets 90% of its traffic from about 3 or 4 search terms and its still getting that from the same search terms. Either there has been a significant increase in interest for these 3 or 4 topics, or Google must be weighting these terms higher because I'm providing more recent content on totally unrelated topics. That's the only thing I can think of, but if someone smarter than me knows what else might be going on, I would love to hear about it.

*Note - I'm somewhere on I-5 on my way from Seattle to L.A.  This post is being blogged via Wordpress' delay post feature.  Be back next week with my thoughts on starting a new job!