From slow 3G to 4G, from mobile to desktop and from local to abroad environments, possible room for pagespeed (FMP) improvement is around 40%.
With the Proof of Concept I created, I wanted to illustrate the room of improvements towards perceived performance and thus customer retention, reducing bounce rate and thus improve conversion.
To optimize for the first user engagement, I look at the First Meaningful Paint as a performance and user experience metric (to be replaced by Largest Contentful Paint). Elements to check for, are product-title, price and image, as these are most meaningful towards visitors. As the PageSpeed Insights score is showing, the amount of JavaScript should be addresses as well to improve overall score.
I succeeded to improve the loading time on different internet speeds. These were as following:
- on 4G desktop, tested from Amsterdam
0.9 seconds versus 1.6 seconds (improvement of 43%); - on slow 3G desktop, tested from Amsterdam
2.4 seconds versus 4.5 seconds (improvement of 46%); - on 4G mobile, tested from Dulles, USA
1.9 seconds versus 2.9 seconds (improvement of 34%); - on fast 3G mobile, tested from Dulles, USA
1.8 seconds versus 3.0 seconds (improvement of 40%).
There is an obvious trend where room for improvement typically is around 34 to 46%.
