Everybody knows that having a good internal linking structure is an important part of both, reader experience (they find other content by you they might be interested in) and on page SEO (the search engines find your older content and know which part of your site is the most relevant for which keyword). Plus it lowers your bounce rate if people visit more then one page on your site 😉
But part of the latest Google update seems to have been also an ‘over-optimization’ penalty. Officially, according to Matt Cutts in the video below, this refers more to keyword stuffing (especially meta data like image tags etc), but it can also refer to excessive, automatic, internal linking.
I want, for the moment concentrate on the internal linking aspect of on page SEO. Many moons ago I had a discussion going forward and backward with Allyn H. from ‘BloggerIllustrated’, . . . → Read More: Internal Linking – The Do’ and Don’ts (IMHO)