Your internal linking structure will not have an effect in increasing PR, but sharing PR inside the overall site, with falling powers as you go deeper into the arrangement of your web site.

* Be sure that your primary page, the index.htm page, all links to your secondary pages.
* Also make sure that your secondary pages link to each other.
* Link your secondary pages to third level pages inside their sub-directory, sub-domain, or level.
* Link the third level pages within each particular sub-directory or sub-domain to one another.
* Then link the third level pages again back to the secondary page that it was linked from.
* Make sure that there is no heavy linking between the third level pages.
* You can link to pages, regardless of level, that are more relevant.
* Regardless of level, link to pages, where the text on the page that is being linked from is keyword specific to that page that you are linking to.
* If there are fourth level pages also, track the same linking structure that was laid out in this checklist.
* link pages within your site that are appropriate to each other.
* Use always keyword specific link text when you are linking between pages.
* Use typical HREFs in links that are easy for search engine robots.

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