Mein Vortrag auf der PHp Ruhr 2016. Quellen zu den Studien aus der Präsentation: https://econsultancy.com/blog/9790-slow-loading-websites-cost-retailers-1-73bn-in-lost-sales-each-year http://www.aberdeen.com/research/5136/ra-performance-web-application/content.aspx http://httparchive.org/interesting.php?a=All&l=Oct%2015%202016 http://conferences.oreilly.com/velocity/velocity2009/public/schedule/detail/7709 http://www.webperformancetoday.com/2012/02/28/4-awesome-slides-showing-how-page-speed-correlates-to-business-metrics-at-walmart-com/ http://assets.en.oreilly.com/1/event/29/The%20User%20and%20Business%20Impact%20of%20Server%20Delays,%20Additional%20Bytes,%20and%20HTTP%20Chunking%20in%20Web%20Search%20Presentation.pptx http://assets.en.oreilly.com/1/event/29/The%20Secret%20Weapons%20of%20the%20AOL%20Optimization%20Team%20Presentation.pdf