Doesn't work in IE9

Have a look here in IE9:
https://www.wpbeginner.com/plugins/how-to-add-gallery-carousel-in-wordpress-without-jetpack/
If it doesn’t even work on your own page, that’s not a good sign ?? . It doesn’t work on my site either:
https://www.axsos-updated.com/

https://www.ads-software.com/plugins/carousel-without-jetpack/