Hello,
Can any one tell that If I change the title often does "G" penalize me for this.
I change my title of my website couple of times and my keywords density is just 10% still it comes with on top 2-3 pages SERPs for less competative keywords. I have a PR 5 and 168 Back links in "G"

Can any one suggest me on updating the titles,meta tags and content often would hurt my optimization of my website.

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