Performance studies related to “conversion”
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Yelp reduced First Contentful Paint (75th percentile) by 45% and Yelp Page Complete (75th percentile) by 25% and saw a 15% improvement in their conversion rate. Permalink Share on Twitter
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Bridesmaid dress retailer Revelry relaunched its ecommerce site on an updated version of its ecommerce platform and with smaller images. The site loads 43% faster, bounce rates have decreased 8% and conversion is up 30% Permalink Share on Twitter
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SportsShoes.com found that faster-than-average mobile visits were 41% more likely to convert than slower-than-average visits. Permalink Share on Twitter
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SnipesUSA.com decreased page load speed by 30% and saw its average conversion rate double to from 1% to 2%. Permalink Share on Twitter
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Rossignol.com improved their load time by 1.9 seconds and cut their Speed Index by a factor of 10, contributing to a 94% improvement in conversion rate when compared to the year prior. Permalink Share on Twitter
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ALDO found that on their single-page app, mobile users who experienced fast rendering times brought 75% more revenue than average, and 327% more revenue that those experiencing slow rending times. on desktop, users with fast-rendering times brought in 212% more revenue than average and 572% more than slow. Permalink Share on Twitter
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Radins.com improved their Speed Index by 51% for the desktop experience and saw a significant increase in conversion (+12%) and a drop in the bounce rate (-25%). Permalink Share on Twitter
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Furnspace reduced their image payload by 86% resulting in a reduction in load time of 65%. This improved user experience helped double Furnspace’s eCommerce purchase conversion ratio, cut bounce rates by 20%, increase mobile revenue by 7% and dramatically improve SEO. Permalink Share on Twitter
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Web studio Sparkbox more than doubled Driver Solutions’ conversion rate for organic traffic, moving it from 2.69% to 5.57% after deploying performance updates and AMP pages. Permalink Share on Twitter
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Furniture retailer Zitmaxx Wonen reduced their typical load time to 3 seconds and saw conversion jump 50.2%. Overall revenue from the mobile site also increased by 98.7%. Permalink Share on Twitter
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COOK increased conversion rate by 7% after cutting average page load time by 0.85 seconds. Bounce rate also fell by 7% and pages per session increased by 10%. Permalink Share on Twitter
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Rebuilding Pinterest pages for performance resulted in a 40% decrease in wait time, a 15% increase in SEO traffic and a 15% increase in conversion rate to signup. Permalink Share on Twitter
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Ancestory.com saw a 7% increase in conversions after improving render time by 68%, page weight by 46% and load time by 64%. Permalink Share on Twitter
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AliExpress reduced load time by 36% and saw a 10.5% increase in orders and a 27% increase in conversion for new customers. Permalink Share on Twitter
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For every 100ms decrease in homepage load speed, Mobify's customer base saw a 1.11% lift in session based conversion, amounting to an average annual revenue increase of $376,789. Similarly, for every 100ms decrease in checkout page load speed, Mobify's customers saw a 1.55% life in session based conversion, amounting to an average annual revenue increase of $526,147 Permalink Share on Twitter
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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 Share on Twitter
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AutoAnything reduced page load time by 50% and saw an 12-13% increase in sales. Permalink Share on Twitter
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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 Share on Twitter
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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 Share on Twitter
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Walmart saw up to a 2% increase in conversions for every 1 second of improvement in load time. Every 100ms improvement also resulted in up to a 1% increase in revenue. Permalink Share on Twitter
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The Obama for America site improved performance by 60% and saw a corresponding increase in conversions of 14%. Permalink Share on Twitter
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While reducing page load from 15 seconds to 2 seconds, Intuit saw a 3% improvement in conversions for every second reduced over 7 seconds, and a 2% improvement in conversions for every second reduced over 5 seconds. Permalink Share on Twitter
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Removing one client-side redirect from Google's DoubleClick resulted in a 12% improvement in click-through rate. Permalink Share on Twitter
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Shopzilla decreased load time by 5 seconds and saw a 12% increase in conversion rate, a 25% increase in page views and a 50% reduction in infrastructure required. Permalink Share on Twitter
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Mozilla cut load time by 2.2 seconds and saw download conversions increase by 15.4% Permalink Share on Twitter
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The Aberdeen Group discovered a 1-second delay resulted in 11% fewer page views, a 16% decrease in customer satisfaction, and 7% loss in conversions. Permalink Share on Twitter