Getting your website noticed on directories and social bookmark sites is a critical piece to the overall search engine optimization needs for your website. If you make use of these free directory submission sites, you can significantly increase website traffic.

Ping.fm You can use this site to post to over 40 places at one time. A good time saver. We have used this at Celtic Ozark Solutions for some time to help get contact up quick, so we can focus on changes after posting.

Delicious One of my favorite social bookmarking sites.

Technorati Teachnorati is a good spot to submit your blog.

StumbleUpon Share valuable information with the world here. You can tag an article as good.

Digg Another good site to submitting tags to content.

Pingoat Let dozens of blog directiories know you have new content on your website.

Blogexplosion.com-My favorite for blogs.

Pingomatic.com - The original of the group.

Best of the Web Blog Search This is the “holy grail” of all blog directories. They will not list all blogs, so getting on this list is something you should aspire to do.

Bloggeries This is a great site because it is easy to use.

EatonWeb Blog Directory This is a pay for review site, but worth the money to get them to review your blog.

Blog Hub offers a drop down category and member blog list.

Blogged.com A free site that is owned by Google.com.

Blog Search Engine WordPress powered and good for WordPress websites.

Blog Catalog Not very fancy, but the best for helping with searches needed by language.

Globe of Blogs has too many features to list. In order to be listed on the site, the blog must not be commercial.

Blog Universe is the perfect place to promote your video or podcast themed blog. Its layout is easy to navigate.

Bigger Blogs Not the best directory for user friendliness, but it is still worth getting an easy listing added.

Bloggernity, you find a crisp, clean, and easy to navigate site. Almost no stuff. No advertising.

Bloggapedia These folks win the award for using color to make things easy to find.

Spillbean This site is still up and coming, so get aboard now. I like it because it continues to rise in popularity at a good rate.

Blogging Fusion is a blog with over sixty categories. These categories include photo blogs and family focused blogs.

Blogflux Blogs are listed in alphabetical order. Nice touch.

Bloglisting Has a blog ranking system that is helpful to use.

Blogio Anoter up and coming site you need to be on.

Blog Explosion claims to be the largest blog promoter on the internet. 20.

Super Blog Directory This site will shows users the lastest posts for a link, which can really draw people to the site.