The most common frustrations voiced by people when visiting a website are the time it takes for pages to load and the amount of bandwidth some sites eat from their monthly mobile plans.
What these users might not realize is that, in many cases, the culprit is the same: website image performance. Ensuring images are optimized is particularly important to businesses who manage these sites since they account for the majority of the downloaded bytes on a web page, and can slow down load times considerably.