it depends on your site if you want to make a site about porsche cars, then this is your keyword...if you want to make a site about mobile, then you would have keywords like samsung galaxy s3, apple iphone5, mobile reviews, mobile specs etc think about it like this : when do you want your website to come up in the search ? at what keywords ? if you would like people to finy by best mobile reviews website, then focus on this keyword..
using google adwords,search a main keyword and get a whole lot of related words,up to thousand... google adwords also show how much times these words are searched each month,and ad heats. you may also use google trends and see the heat is going down or up...
Hi You can use google adwords and search your main keyword then you will get a list of related words. Thanks.
If the keyword is too competitive, you might want to use helping words. For example use cheap HP 5100 ink cartridges instead of ink cartridges.
I recommend Keyword Winner if you have a blog, it makes keyword research a breeze, it has keyword research and rank checker all within your dashboard!
Using google adwords keyword tool and search for keywords that Less than 10,000 exact match and more than 1000 exact match search per month