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!
Zda so, zo sydło pozicioněrowanski efekt wužiwa, kotryž je z kulenjom zwjazany. To snano z asynchronym přesuwanjom porjadnje njefunguje; hlejće https://developers.mozilla.org/docs/Mozilla/Performance/ScrollLinkedEffects za dalše podrobnosće a zo byšće so diskusiji wo podobnych nastrojach a funkcijach přidružił!