Goals from Aggie Beever-Jones and Erin Cuthbert secured a 2-nil win at West Ham and they are now level on points with Manchester City at the summit.
Third-placed Arsenal recovered from a 1-nil deficit to beat Aston Villa 3-1.
Brighton came from behind to defeat Leicester 3-2 in a thrilling clash at the King Power Stadium.
Tottenham were 1-nil winners at bottom team Bristol City.
The Merseyside derby ended Everton nil – Liverpool nil at Goodison Park.