You can already see that in the top 10 search re email lists australia sults, the slope of the line is looking really good - an indication that our metrics and analysis function better for predicting success in those areas (which, luckily, are the same positions SEOs care most about). These machine learning ranking models let us take a much more sophisticated look at the value of employing a keyword in any particular on-page feature. Instead of going off simple correlation, we can actually ask, based on our best fit model, "?" Let's use the example we struggled with above showing negative correlation for keywords in path/filename: As you can see, this model suggests that, once again, subdomains are largely useless places to put keywords, but the root domain is a very good place to employ it.
located within folders on our root domain, rather than in sub domains like our transactional websites. The idea is that they are closer to the root, better optimised and easier to get live quickly. Even back then I believed Domain Authority was a strong ranking factor for Google.