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Continue to ChatQuery : What causes a website's alexa page-rank and traffic data to display highly regular sine wave patterns over a period of 30 days? At first I wondered if it was due to the traffic difference https://vmapp.org/query/82348/What-Causes-A-Website-S-Alexa-Page-Rank-And-Traffic-Data-To-Display-Highly-Regular-Sine-Wave-Patterns-Over-A-Period-Of-30-Days-At-First-I-Wondered-If-It-Was-Due-To-The-Traffic-Difference/