Quite a bit. Infographic here is interesting: https://searchenginewatch.com/2016/11/16/how-speed-affects-your-sites-performance-infographic/ https://searcheng

Quite a bit. Infographic here is interesting: https://searchenginewatch.com/2016/11/16/how-speed-affects-your-sites-performance-infographic/ https://searchenginewatch.com/2016/11/16/how-speed-affects-y... Additionally, the amount of 'Jank' in your user interactions can have an effect on conversion and engagement. Etsy has released data in the past on this.