How to use it effectively

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As a result, for example, let's say that for a keyword that corresponds to a certain article content, you consider, "The top sites all have long visit times, while lower-ranked sites have short visit times. The length of visit time is what is required for ranking high. Therefore, let's include a video on the page to increase visit time." Is this correct? There are three things to keep in mind when conducting this type of analysis: causation, correlation, and spurious correlation.


Causal relationships are relationships in which B occurs chinese overseas america phone number list as a result of A Correlation is the relationship in which if A changes, B changes as well. Spurious correlation is when a change in hidden variable C causes both A and B to change, making it appear as if there is a causal relationship between A and B when in fact there is not. Refers to: Causation and correlation Taking this into consideration, the example at the beginning may be a spurious correlation due to variables other than ranking and dwell time , in that "the more text there is on a page (=C), the higher the ranking (=A) and length of time spent on the page (=B), and vice versa.


" Therefore, the idea that "if the time spent on the page is longer, the ranking will improve" is not true, and even if you spend money to create a video, it may not lead to results. *Of course, adding a video may have a positive effect on other ranking factors, changing your position and ultimately producing results. To avoid this, even if you see multiple variables that appear to be causally related, be sure to consider other possibilities.