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Does anyone know if this would hurt my PageRank distribution to the linked pages? Would Google want to see continuity (between spiderings) of these internal links before crediting the PR to the linked page?
On a more general level, you're doing something strange to manipulate Google's ranking. That's explicitly what they're looking for, so you better cross your fingers.
Search on the site for "Search engine theme pyramids and Google."
Great : to get new pages and channels picked up
Terrible : to get them ranked consistantly anbd therefore appearing with any conviction in the SERPS
Think of the analogy involving being a jack of all trades rather than a master of one!
I would choose the key areas and get those fixed and perhaps use random content around these 30 odd links. If you have many more then use sucessive pages.
It is most likely that google likes to see longevity of links from one URL to another URL. This would indicate the continued value of the resource thus the continued presence of the link.
Randomization is fun, just don't knock the wind out of your own sail.
Doing it on a let's say weekly or monthly basis is okay in my opinion because good sites change daily!
You could write a php skript that generates your content in html and puts randomized links in the html.
Each time you generate your site again the links will change. You can choose the timeframe.
greg
But, on second thought, haven't we all seen sites that list random users? That seems pretty common. More common than that are "X of the Day" links, whre something is plucked out of the database and presented as news. So, there certainly are sites that use similar techniques.
I say, if there's a non-SEO reason for it, go for it.
Can be done very effectively if you rotate those links every 2 to 4 weeks depending on what sort of crawl you're in and how much value you can pass to those links.
Don't do it randomly with every reload. Look carefully at 10 focus nodes in your tree and point to them from your home page for 2 to 4 weeks. Leave the rest of the tree as is.
You'll soon start seeing whats effective..
Interesting variation I had not considered. Watching crawll patterns, however, probably requires more time and effort than I'm capable of, especially when dealing with many sites at once.