There seems to be a “stutter” when scrolling down from, or up to, the top of the page. It seems to be linked to the height of the menu: when it is toggled, the “stutter” becomes that much larger.
I took a video showing what is going on. I could not upload it. Please find it here:
https://mega.nz/#!MdxiAazR!bUc6M6daGnVVKOkbKIcmouE3ndGlXrX67eEKrlvQa0U
The website is www.OrderOfTheGoldenTalon.com
Thank you for your help.