In terms of market share, ReferLocal is clearly lagging behind, losing to zapunited in all segments.
zapunited has better usage coverage in more websites categories. Including Arts & Entertainment, Adult, People & Society, Computer & Electronics and 15 other categories.
ReferLocal is leading in Business & Industry, Marketing & Advertising and Newspapers.
zapunited is leading in most countries, including India, Australia, Ukraine, Canada and 15 other countries.
ReferLocal is leading in United States.