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 Autos & Vehicles, Sports, Shopping, Internet & Telecom and 9 other categories.
ReferLocal is leading in Business & Industry, News & Media, Tourism, Travel and 7 other categories.
ReferLocal is leading in most countries, including United States, China, Japan, Italy and one other country.
Testnet is leading in Belgium.