If you want to send traffic to your website or blog, you can do it for free via blog commenting. Simply search Google for blogs that are related to your website or niche. Then, at the bottom of each blog post you read will be an opportunity to add a comment. When you add a comment, you can also include your website URL either above or below your comment. Many times, the blog administrator has the right to approve or deny any comments that are added. So, you will want to make sure that your comments are interesting and helpful to the blogs audience.