anand84 - 6:53 am on May 28, 2010 (gmt 0)
I was just checking out the Alexa traffic trend for some websites like Mahalo and a few others that basically scrape content from elsewhere to create unique long-tail content and see that the traffic has dropped bigtime for those websites. So, I think Google was onto something altruistic. However, the algorithm implemented is flawed in that a lot of other websites too got pulled down.
Taking the example of Mahalo, the website has a lot of IBL thanks to the controversy that the site generated. And because of the subsequent link-love, it was able to rank well for all the long terms. As the SearchEngineLand article points out, the new algo appears to be valuing links to individual pages. Earlier, if you had a lot of high valuable links to your home page, or to a few pages, the credibility of your site was generically established. This would mean that even if I did not have any valuable IBL to example.com/first-longtail-keyword-here, the number of high valued IBLs to example.com and example.com/another-keyword will help Google to recognize the value of example.com and consequently show the example.com/first-longtail-keyword-here page on top.
Now, unless you build valuable IBL to each of these separate pages, you will not rank. This explains why 1-2 page scrap sites (which we call spam) rank on top. Along with them, big news websites too seem to have grown because these sites get linked to for everything that they write.
To people who have lost traffic : Have you built sufficient links to those individual pages that have disappeared? Or is your link building for the site in general?