A sign in page is a guide page built to a specific structure, to provide a starting point to sign in to a GOV.WALES service.
Tudalen ganllaw yw'r dudalen fewngofnodi sydd wedi'i hadeiladu i strwythur penodol, er mwyn darparu pwynt cychwynnol i fewngofnodi i wasanaeth LLYW.CYMRU.