This site appears to use a scroll-linked positioning effect. This may not work well with asynchronous panning; see https://developer.mozilla.org/docs/Mozilla/Performance/ScrollLinkedEffects for further details and to join the discussion on related tools and features!
Mae'r wefan hon i weld yn defnyddio effeithiau gosod sgrolio cysylltiedig. Efallai na fydd hwn yn gweithio'n dda gyda phanio anghydamseredig; gw. https://developer.mozilla.org/docs/Mozilla/Performance/ScrollLinkedEffects am wybodaeth bellach ac ymuno â'r drafodaeth ar yr offer a'r nodweddion cysylltiedig!