In terms of market share, ReferLocal is clearly lagging behind, losing to Testnet in all segments.
Testnet has better usage coverage in more websites categories. Including Sports, Autos & Vehicles, Internet & Telecom, Cooking & Recipes and 6 other categories.
ReferLocal is leading in Business & Industry, News & Media, People & Society, Travel and 5 other categories.
ReferLocal is leading in most countries, including United States, Japan and Germany.
Testnet is leading in Belgium and France.