You may have seen the changes on Google ranking on SERPs. what do they changed? 1. first I noticed that domains that have the search term on the domain are ranking higher than befor, and now you can see that when the same search term is the domain it will show on the first pages. searchterm.com, .net .info ...... search-term.com, .net ...... even .fr 2. If your website have any duplicate content that shows more than 100 duplicate it will decrease your SERPs ranking of your main page even if your main page is 100% unique. So try not to have any duplicate content on your website. and do not in any way try to use auto-blogging and auto generated content. It is not working any more. 3. now they give less importance to the description and more to the title tag. 4. they still give high importance to anchor text, and if the anchor text you are using is in the title tag and in the domain you will rank very high in the SERPs even if your PR is low, you can see now PR1 and PR2 that rank higher than PR5 and PR6 in the result pages just by using the anchor text, title tags and domain name. that is what I noticed, maybe I am wrong