Baidu Management that mobile revs for the first time accounted for >10% of total revs in 2Q13. This would indeed mark a significant improvement from levels of 5-6% that we had earlier estimated. Mobile represents 20+% of total Baidu queries, and that mobile (incl. tablet) CPC’s are at least a 40~45% discount to desktop despite improving click-through. It thus seems clear that conversion on mobile significantly lags that of desktop.
Baidu’s Traffic Acquisition Cost [TAC]
We were quite surprised with the surge in TAC to RMB880m up 182bp QoQ to 12.2% of total revs, and well above 50-100bp sequential growth expected by many. While the co attributed most of the growth to increased