1. Use the twelve (12) high priority keywords

2. Check the word count/search volume of each priority keywords using google adwords and word tracker tool.

3. Check the Number of Competing Pages for Google and Yahoo just to have an idea about the competition for that given keyword.

4. Check the keyword density and prominence using gorank tool. The keyword density is the ratio of the keywords contained within the total number of indexable words within a page. The keyword prominence is how prominent the targeted keywords within the web page. In the On-page optimization it is consider as part of the keyword analysis as how the targeted keywords are used within the page.

5. Used the Semrush and Spyfu tool to search for the top ten results for each keyword. The top 10 results are considered main competitors of the website for the given key phrase.

Here are the tools Used:
1. freekeywords.wordtracker.com- Free keyword suggestion tool for SEO, Adwords & blogging
2. google adwords
3. seobook.com/keyword-tools
4. gorank
5. semrush.com
6. spyfu.com
7. keyworddiscovery