Website is around 1 year old and have 100 pages and each page with his own specific KWs. Around 50 of the KWs have 2000 monthly search for their respective main KW. Most of the Internal pages are ranking in 2 or 3 page. The pages that are getting ranked dont have any backlinks but only the home page. Website is ranking in the main KW.com at 5 rank of page 1 like for " six pack abs.com". What strategy should I use to rank internal page at top 3 positions now? Build backlinks to internal pages as for now they have none or should I continue to build backlinks to home page?