What are the types of SEO resources?

Search engines use SEO resources to optimize the network traffic flow. Some of the most useful SEO resources to get benefited from are as follows. First of all there are a lot of books available in the market which posses a lot of SEO techniques that can be applied to achieve the optimization of SEO and can prove to be a very useful resource. Secondly, softwares specifically built for search engine optimization can help to study a website better and can bring in light the issues to be dealt with an immediate effect. Other SEO resources commonly used include the directory submission that new comers are adopting and even veterans use to have a permanent one way anchored text link for their website.

SEO Resources = Search Engine Optimization Resources = Search Engine Optimisation Resources

What are SEO Tools?
What are SEO Tactics?
What does SEO mean?