The free way of going forward with this procedure is to push your keyword data through Google and procure page and domain level links from the 1st couple of search pages. Combining domain addresses with all of the keywords may give you an similar to a heat map, highlighting useful websites and page level links used for reveal campaign targeting I favor to use google. com/ncr search for better results. As you’re going to see, domain addresses and page links will appear for a couple of key phrase combination. Again, biological search, AdWords, aggressive key phrases data are all useful for the above strategy.