In the first week of the UK election campaign, Google searches for David Cameron overtook those for Gordon Brown for the first time since the Conservative Party conference in October 2009.
Google searches on "Cameron" increased 163%, while searches for "Brown" increased 92%.
Nick Clegg saw the biggest increase, with 426%, but the Liberal Democrats leader still lags behind Cameron, Brown and "hung parliament", which leapt 233%.
The Conservatives have been the most active political party in buying Google AdWords in a bid to influence voters searching for information about the candidates and their policies, according to the Financial Times.
Labour is still the most popular party searched for online, although the gap with the Conservative Party is "very tight" according to Google.
Searches for "Labour party" increased 141% in the first week of the election campaign, while "Conservative Party" was up 142%.