Importance of link structure

[brettlee585]

To promote any website the link structure of the website can be considered as one of the most important factors. Quality backlinks to such websites can be got by this link structure. Also it helps to get a better page rank on the search engine. You can determine which page is important by manipulating the link structure.

[JerrickYeoh]

This is what people mostly forget to check their link structure after modify their website or convert to new website design .
You can actually check on google webmaster tools to check out all the page not found and error page that link in your site.
Reduce it and the best make it zero cause it will influence Google evaluate quality of your site.