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TRAC Research found, in a survey of 300 companies, that the average revenue loss for an hour of downtime was $21,000. For the same set of companies, average revenue loss due to an hour of slow performance (defined as load times exceeding 4.4 seconds) was $4,100. Website slowdowns occurred ten times more often than outages. Permalink
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Staples reduced median homepage load time by 1 second and reduced load time for the 98th percentile by 6 seconds. As a result, they saw a 10% increase in their conversion rate. Permalink
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GQ cut load time by 80% and saw an 80% increase in traffic. Median time spent on the site also increased by 32%. Permalink
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AutoAnything reduced page load time by 50% and saw an 12-13% increase in sales. Permalink
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Glasses Direct found that for every second they added to the load time, there was a 6.7% decrease in conversions. In addition, load time for users who did not convert was 3-4 times as high as for converting customers. Permalink
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Etam reduces it's average page load time from 1.2s to 500ms and increased conversions by 20%, time on site by 21%, and pages viewed per visit by 28%. Permalink
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When YouTube introduced a version of their pages that was 90% lighter, they saw a large increase in traffic in areas with poor connectivity such as Southeast Asia, South America, Africa and Siberia. Permalink
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Edmunds decreased load time by 77% and saw a 20% increase in page views, 4% reduction in bounce rate and 3% reduction in ad impression variance. Permalink
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Walmart saw up to a 2% increase in conversions for every 1 second of improvement in load time. Every 100ms improvment also resulted in up to a 1% increase in revenue. Permalink
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The Obama for America site improved performance by 60% and saw a corresponding increase in conversions of 14%. Permalink