A.新訪客比率 B.跳出率 C.平均訪問(wèn)時(shí)長(zhǎng) D.平均訪問(wèn)頁(yè)面數(shù)
A.發(fā)送成功率=(發(fā)送郵件數(shù)-彈回郵件數(shù))/發(fā)送郵件數(shù) B.打開(kāi)率=打開(kāi)郵件數(shù)/發(fā)送郵件數(shù) C.點(diǎn)擊率=點(diǎn)擊數(shù)/發(fā)送郵件數(shù) D.訂閱保留率=(訂閱用戶(hù)數(shù)-彈回?cái)?shù)-取消訂閱用戶(hù)數(shù))/訂閱用戶(hù)數(shù)
A.CPC B.CTR C.impression D.click