Optimatic is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Optimatic has better usage coverage in more websites categories. Including Games, Arts & Entertainment, Business & Industry, News & Media and 45 other categories.
ReferLocal is leading in Transportation & Logistics, Chats & Forums and Newspapers.
Optimatic is leading in most countries, including United States, Israel, India, Peru and 28 other countries.
ReferLocal is leading in China.