How Can We Really Measure The ROI of Optimization?
ConversionXL
AUGUST 27, 2015
Time Period Comparison in Analytics (and Why It’s Wrong). If asked to measure improvement in conversion rate due to optimization efforts, most people would point to Google Analytics. But as Investopedia says , data points are often non-stationary: “Non-stationary data, as a rule, are unpredictable and cannot be modeled or forecasted.
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