Bit late to the party, but companies report that webpage speed correlates with conversion. See e.g. https://www.cloudflare.com/en-gb/learning/performance/why-si

Bit late to the party, but companies report that webpage speed correlates with conversion. See e.g. https://www.cloudflare.com/en-gb/learning/performance/why-site-speed-matters/ https://www.cloudflare.com/en-gb/learning/performance/why-si... & https://www.cloudflare.com/en-gb/learning/performance/more/website-performance-conversion-rates/ https://www.cloudflare.com/en-gb/learning/performance/more/w... This one is also interesting; written in 2012, it claims that Amazon could lose 1b+ from a 1 sec slowdown: https://www.fastcompany.com/1825005/how-one-second-could-cost-amazon-16-billion-sales https://www.fastcompany.com/1825005/how-one-second-could-cos.... I imagine people are even less tolerant of slow pages today. Fixing website performance can be one of the cheapest ways to increase conversion because it's hard to figure out what else moves the needle.