Transition speed refers to the duration of animation between slides (in ms). In other words, how long will it take the image to completely slide from right to left.
Step1: Access HTML Page
1) Click on “design” and into “edit html/css”
2) On the left-hand column, click on “index.htmls” to access the html page
3) Scroll down to the bottom of the page to find the following code:
Step2: Change Transition Speed
The default transition speed is 3000 (3 seconds). You can change this number to larger or smaller to customize the transition speed.
For example, if I want to slow down the transition speed to 5000 (5 seconds), Here is how the code will look like
Save & re-publish your site for the change to take effect