A 14kB page can load much faster than a 15kB page — maybe 612ms faster — while the difference between a 15kB and a 16kB page is trivial.

This is because of the TCP slow start algorithm. This article will cover what that is, how it works, and why you should care. But first we'll quickly go over some of the basics.

The use of images increases the size of a web page which considerably lowers the load speed of the page. To improve the speed of your website it is important to consider compressing or resizing images.