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I have a page that I am working to rank.  Open Site Explorer shows that I have 69 internal links and a competitive site (ranked #4) has 822 internal links. The page I am looking to rank is on my main navigation menu so it should have an incoming link from every page on my site.  My site is 6 years old and has 497 pages indexed according to Google Webmaster Tools.  What do I need to do to improve the number of internal links that are being recognized?