In terms of market share, ReferLocal is clearly lagging behind, losing to Unicast in all segments.
ReferLocal has better usage coverage in more websites categories. Including Business & Industry, News & Media, People & Society, Travel and 3 other categories.
Unicast is leading in Arts & Entertainment and Performing Arts.
ReferLocal is leading in most countries, including United States and Australia.
Unicast hasn't got a lead over ReferLocal in any country.