[eng] Analisi dei fattori di alcuni algoritmi di Google

[mister.jinx]

[eng] Analisi dei fattori di alcuni algoritmi di Google

Con test e grafici alla mano un bel post in SEOMoz per analizzare i fattori del posizionamento di Google.

Are Links Well Correlated with Rankings?
Common SEO wisdom holds that the raw number of links that points to a result is a good predictor of ranking position. However, many SEOs have noticed that Yahoo! Site Explorer's link numbers (and even Google's numbers inside services like Webmaster Tools) can include a dramatic number of links that may not matter (nofollowed links, internal links, etc.) and exclude things (like 301 redirects) that matter quite a bit. Using the Linkscape data set, we can remove these noisy links and use only the number of external, followed links (and 301s) to run in our correlation analysis.

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