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, Business & Industry, Arts & Entertainment, News & Media and 43 other categories.
ReferLocal is leading in Transportation & Logistics, Newspapers and Chats & Forums.
Optimatic is leading in most countries, including United States, Canada, Israel, Venezuela and 32 other countries.
ReferLocal is leading in Austria.