The SEO sector is rapidly expanding and forever changing. If you are not active in the industry then you are going to miss out on a whole lot of fresh and new stuff. The industry changes in an instant so you need to be on top of your game all the time.
Only a few weeks ago there was a big announcement which shook the SEO sector, about how you could no longer perform Page Rank sculpting throughout the site. For a long time webmasters and SEO’s have been adding the nofollow attribute to external links in order to pass the page rank on to other pages. But Matt Cutts indicated that this does not work and has not been working for a long time.
He indicated that the if you for example have 10 links on a page and no follow five of them; you will actually lose 50% of your page rank juice. This has shocked a vast amount of people simply because of the fact that they thought they could redirect the page rank flow to the other pages, so instead of each page getting 10% link equity they would of instead have got 20%.
There was a huge uproar in the SEO industry, but personally I feel that too much fuss has been made over this, the reasons behind it is because it is simply common knowledge to design and structure a site in a good way. I personally have never really been a fan of the no follow tag, instead I analyse segments of the site and if I think they have to many internal links then you look at cutting them out and structuring the site in a better manner. Again its part of usability, and that's what Google have always stated, simply do not do things only for search engines.
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