In terms of market share, ReferLocal is clearly lagging behind, losing to WebTrends Ads in all segments.
WebTrends Ads has better usage coverage in more websites categories. Including Business & Industry, Computer & Electronics, Religion & Spirituality, People & Society and 10 other categories.
ReferLocal hasn't got a lead over WebTrends Ads in any websites category.
WebTrends Ads is leading in most countries, including Indonesia, Japan, Canada, Mexico and 7 other countries.
ReferLocal is leading in United States.