Birmingham City kept up their flying start to the Women's Super League season with a 2-0 victory at Everton.
Defenders Kerys Harrop and Sally Stanton were on target as Blues made it five wins from five matches to stretch their lead at the top of the table to six points.
Arsenal, who have a game in hand on Blues, leapfrogged Chelsea into second place through a 2-0 win at Lincoln. England striker Ellen White hit the victory-clincher.
Chelsea battled to a goalless draw at Bristol Academy, where Bristol City's former England goalkeeper David James was among a crowd of 371.
Fourth in the table Doncaster Belles beat bottom club Liverpool 1-0 thanks to an own goal by Reds keeper Andrea Worrall.
Everton 0-2 Birmingham City
Left-back Harrop opened the scoring with a goal of the season contender, hammering a 27th-minute shot from the left hand touchline into the top far corner of the net.
A string of seven Jo Potter corners in quick succession led to the second goal, headed home by central defender Stanton four minutes before half-time.
Everton had more of the play in the second half but, in front of a crowd of 279, they failed to create any clear-cut chances.
And they were fortunate not to go further behind in the 71st minute, midfielder Emily Westwood firing a penalty over the bar following a foul on striker Rachel Williams.
Lincoln 0-2 Arsenal
Jordan Nobbs scored her first WSL goal to put Arsenal in front, the former Sunderland midfielder driving home a 20-yard shot in the 27th minute.
Eight minutes later White lobbed in her second goal in as many games to notch what proved to be the evening's decisive strike.
Lincoln improved after the interval, but despite being urged on by the night's biggest WSL crowd, 581, they were unable to force their way back into the game.
Bristol Academy 0-0 Chelsea
Helen Bleazard wasted the chance to give Bristol their second win of the campaign when she blazed a 50th-minute penalty high over the bar.
The Academy left winger almost made amends in the closing stages, when her well-struck cross shot beat goalkeeper Carly Telford but smacked against the crossbar.
But after the home side had enjoyed most of the possession, Chelsea went close to snatching victory as striker Emma Plewa's stoppage time 18-yard drive hit the bar.
Doncaster Belles 1-0 Liverpool
Worrall caught but then dropped the ball over the line from striker Aine O'Gorman's 35th-minute cross to hand Donny the match-winning goal.
At the other end Belles goalkeeper Helen Alderson had a better evening, crucially saving striker Ruesha Littlejohn's 58th-minute penalty.
A Keepmoat Stadium crowd of 261 celebrated what would have been a bigger Belles victory had midfielder Vicky Exley not fluffed a simple late chance.