For you who don’t know, DMOZ is the largest human edited link directory on the web. If you have a website you follow some guidelines and submit it to the directory.
SEO friendly directories
A list of internet website directories you can add your site too. Most of them are free and you dont even need to add a reciprocal link to them. That means a one way link to your site, which search engines like most. First, sign up here: http://www.web-code.org/link-exchange/index.php
Google Database IPs
A list of all (almost) Google database IPs. You can check your ranking and your keyword searches in all these IPs.
PHP, SEO, And Spiders
Dynamic database-driven sites have become very popular, and relatively easy to set up and administer, through the use of Content Management Systems (CMS) and PHP server-side scripting. It's also possible to create a fancy-looking site with little actual content, or automatically generated code that can harm your SEO, such as multiple URLs that