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Excerpt: The usual way to reach the top of Google’s search engine results is create a site with plentiful, unique content, good links and age. From the search engine’s perspective, there is a dichotomy in displaying results.  New content is likely to contain more spam and could be irrelevant. Older pages are more likely to come from a trustworthy source but in certain circumstances are irrelevent because they are out of date. How do you choose what to show? Query Deserved Freshness (QDF) QDF is an algorithm that analyses the popularity of a search query. It  first came to light when Amit Singhal…