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!
Re jun ruxaq k'amaya'l re' achi'el ta nrokisaj jun rub'anikil richin q'axanïk tunun k'ojolib'äl. ¡Rik'in jub'a' man nisamäj ta ütz rik'in rumeximojri'ïl rupasil; titz'et https://developer.mozilla.org/docs/Mozilla/Performance/ScrollLinkedEffects richin nak'ül ch'aqa' chik taq etamab'äl chuqa' richin nanïm apo awi' pa ri jalajonïk tzij pa ruwi' taq rusamajib'al chuqa' ximon taq rub'anikil!