Web Directory Submit  is  way to get your web site linked and connected on the internet. Links from hundreds of top web directories will reach both consumers and businesses, improve your search engine ranking positions and help your website to build valuable Google Page Ranking too

Directory Submissions are a good way to build link popularity for your site which will help your Web site rank higher in the search engines and  get  traffic for you

best web directory  is dmoz.com This hierarchical directory provides content feeds to all the major search engines Plus it provides a link to your site from an information hub that Google deems important

if your site got listing from dmoz  your site will got high ranking and index very fast

Yahoo! Directory is another great web directory but they require a $299 annual recurring fee for Yahoo! Express to have your site considered for inclusion within seven business days

 You may find some free  directories no require Reciprocal Links from http://www.directorycritic.com/

 tip:

only submit directory seo friendly or already index by google

if you want get some traffic for your site you can try submit to paid directory they will require fee review but your site will get tons traffic

notes: never use tools auto submit directory google may be banned you