Best response to the King's Gambit Accepted: Bishop's Gambit, Classical Defense (C33)

1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Ne7 5. Nc3 g5 6. d4 Bg7 · White to move

What is the best response to the King's Gambit Accepted: Bishop's Gambit, Classical Defense (1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Ne7 5. Nc3 g5 6. d4 Bg7)? White to move. See the top replies ranked by opening theory and real-game results, starting with g3.

The main theoretical reply is g3, reaching the King's Gambit Accepted: Bishop's Gambit, McDonnell Attack.