without traffic no improved honest alexa ranking thus to improve rank: create thousands of unique content pages strictly published fully SEOd pages that will eventually lead to generic traffic in the 5 digit uv/d and thus to a useful alexa rank alexa rank mostly is used by advertising agencies to search for new partner sites once you reach a certain alexa rank representing a certain minimum daily traffic for you publishers - forget about alexa rank and fully focus on creating unique content and adapting up to date SEO techniques to achieve top serps for as many inner pages as possible the goal should be every single inner page should reach top 10 SERPS in major SE on the main page title 2-3 keywords
Concentrate on doing your own original content, and then pay attention to the content search engine, Alexa ranking go higher
improving in your site quality and higher visitor on your site help you to gain good ranking on alexa.