In emerging markets, Wealthfront goes with Vanguard MSCI Emerging Markets ( VWO) then Schwab FTSE All-Emerging ( SCHE).

FORBES: A Magical Tax-Loss Harvesting Machine?

Look no further than the relative performance of VWO and the Schwab Emerging Markets Equity ETF (SCHE), the latter of which tracks a similar version of the FTSE Emerging Markets index.

FORBES: Emerging Market Flavors Taste Differently At Schwab, Vanguard, iShares