1.Take part in forums that are related to your blog.
2. Be sure to claim your blog at Technorati.com
3.Be sure to ping your blog each time you update it.
4. Frequent updates will send the spiders out to your blog.
5. Publish an RSS/Atom/XML feed. If you're using Blogger, you can turn on RSS feed by clicking on settings in your dashboard and then clicking on site feed and make sure that your settings are set to yes.
6. Carefully choose your subject titles, taking into consideration what other internet users may be searching for. Use keywords in your title. I suggest subscribing to Word Tracker. Their report of the most popular searches is published each Tuesday and distributed to over 30,000 subscribers.
7. Be sure to include your blog address in forum signatures and in your email signature.
8. Add a sitemap to your blog.