Not sure why it didn't work, but this should. You need to place it at the page body instead of the head.
If you consider to use it I recommend you try it on older versions of Chrome too before uploading to your site.Code:<script> if(navigator.userAgent.indexOf('Chrome')>=0){ document.getElementsByClassName("parallax")[0].style.willChange="transform"; document.getElementsByClassName("parallax2")[0].style.willChange="transform"; } </script>
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