The United States forward, who came on as a substitute, admits he cannot understand how he stabbed his finish wide after being picked out by Jack Rodwellat the far post.
'Landon said sorry to us afterwards,' said midfielder Mikel Arteta.
Missing man: Donovan failed to grab an equaliser for Everton at Spurs, even though his opportunity appeared easy to score than to waste
Donovan came on to chase the game and earn Everton a draw to help their bid for a European place as they recover from a poor start to the season.
Tottenham 2 Everton 1: Pavlyuchenko takes his chants to please RedknappDavid Moyes thinks gritty Everton have coped with Joleon Lescott's departureHead masters: Sportsmail remembers the strikers who used their head like RooneyEVERTON FC