Via: Yoast – https://yoast.com/opinion-on-sliders/
Let me make one thing very clear: sliders suck. Of course, I entitle myself to my own opinion, and you’re entitled to yours. But let me explain why they suck.

Science

It’s not often that science is conclusive in their findings. However, sliders (sometimes named carrousels) seem to be one topic on which it is. There’s literally not one study that I’ve found that says sliders are a good idea. I often point people to http://shouldiuseacarousel.com/ when wanting to explain why not to use a slider. This simple website does an awesome job at showing the statistics as well as trigger the annoyance sliders usually evoke.

Lets look at some of the statistics: