In terms of market share, Centro is clearly lagging behind, losing to ReferLocal in all segments.
ReferLocal has better usage coverage in more websites categories. Including Business & Industry, News & Media, Arts & Entertainment, Tourism and 9 other categories.
Centro hasn't got a lead over ReferLocal in any websites category.
ReferLocal is leading in most countries, including United States.
Centro hasn't got a lead over ReferLocal in any country.