What browser were you using? Were you using any extensions that block scripts or anything?
I've implemented a timer function for NeoLinks so after every 30 secs the image changes. Just take a look at the source and if you want to implement it to BannerLink
thank you so much!! <3 i use the regl framework for webgl: https://github.com/regl-project/regl/. also i have a tutorial on how to load and display 3d meshes with regl: https://kitties.neocities.org/meshtutorial.html