A blog directory is not based on keywords and a simple search.It is based on the concept of browsing, and categorization. Blogs are placed in a blog directory based on what their main themes are, and may be placed in one or more categories in a directory tree. The user then makes their way through the directory tree, and in each category or sub-category they are able to see a listing of all of the blogs that were placed in that category.Increase the traffic of your website.Increase the link popularity and ranking of your website.It generates huge number of one way inbound links for your blog. Here we have listed the popular blog directories where you can submit your blog. Some of them are paid blog directory but more than 90% are free.