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Russ is right - just build it with the UX in mind. Cut only unnecessary links that you generally keep on other pages (including terms or policy pages even if those are set with no follow) - but don't strip it too much. You can build it with a Landing page structure in mind - like focusing on conversion. having a good on page overall structure with the keyword set in the right places - title, h1, great content with a good keyword density and more importantly like Russ said creating links to this particular page. And you should focus on the anchor text of those inbound - as much as possible to use the keyword but don't go overboard - it must at least look natural.