In terms of market share, ReferLocal is clearly lagging behind, losing to Six Apart Advertising in all segments.
Six Apart Advertising has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Humor and 53 other categories.
ReferLocal is leading in Transportation & Logistics.
Six Apart Advertising is leading in most countries, including United States, United Kingdom, India, Canada and 8 other countries.
ReferLocal is leading in Australia.