As discussed in Link Metrics, Link Juice is the amount of positive ranking factors that a link passes from one page to the next.
A website has an overall Domain Rank. This is the amount of positive link metrics associated with a website as a whole. The Domain Rank is governed by the combined PageRank of all of the individual pages on a website. Every web page will have its own PageRank, or perhaps more correctly ranking capacity, governed by the link metrics associated with each particular page. It is the Link Metrics of any given page that determines how much Link Juice any one web page can pass to another. Read more about this in Link Metrics.
Link Juice should be spread as evenly as possible throughout a website as possible. Each web page should have a good number of links pointing its way. Many web publishers make the mistake of concentrating all of their link juice on their home page, with very small amounts trickling deep into the site. This was always a good idea, but, since the dawn of Google Panda, it is now an absolute must.
So, here are the Go Up tips on Link Juice distribution best Practice: