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33. Use numbers to decide the fate of your website, not emotion.
34.
Editor's Notes
Date Sparklines Edward Tufte
Whether you are selling conference registrations, looking for new leads, selling a product or interested in increasing readership: Work out the goal for your web site and even your web pages Be specific – no vague goals: Think about driving business to the most profitable item you sell or the new or underdeveloped area of your business
This term in your reports refers to the range of conversion rates for each combination that we expect you'd observe if that combination were adopted and shown to all users. The range is an estimate based on the observed conversion rate measured during the experiment. The range can also be expressed as a value with a "plus or minus" component; for example, a conversion rate range of 32 to 36 percent translates to a conversion rate of 34% +/- 2.