Thanks for getting back to me @simonpedge. There’s no optimization/cache plugins installed.
As far as the display properties go, I can only update the row layout with the options “standard, full-width, full-width stretched and full-width stretched padded.”
Full-width stretched is the only one that has the slider take up the browser width but as mentioned, the js doesn’t kick in until you adjust the size of the browser window which is what is leading me to believe it could be an issue with the OwlCarousel.