You need to do competitor website analysis to chose the keywords. if you need any further help than please PM me your web site and query.. Regards, Nirav Patel
Word tracker is best option but remember that is a paid version. For free version you can go with Google adword keywords tool. Check the competition and Global and local searches and then target on your pages. Be sure to make list of more than 100 Keywords so that you don't run short of the keywords at the time of optimization. Synonym keywords and phrases will help you a lot.
First decide which keywords you want to target then go to google adwords tool and check it globally and locally search volume.
First of all, check your competitor's website and a grip what keywords they are using. Thereafter you can use Adwords tool by Google to pick the suitable keywords for your website and insert them in the source page of your website.
You can choose the best and effective keywords from the Google keyword tool . Your keyword should have low completion and high global and local monthly searches . Choose the best keyword as your primary keyword (H1 tag) and other keywords as a secondary and tertiary keyword . The keyword should be high keyword proximity means they are close to each other . So that they get high rank easily in search engine . If you have any query then let me know .
when you get the new site first of all see competitor site keyword and then create own keyword related to their site. you check in google adword for low competition and high search volume. you can surely get best keyword for site.