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, News & Media, Arts & Entertainment and 40 other categories.
ReferLocal is leading in Newspapers, Chats & Forums and Transportation & Logistics.
Optimatic is leading in most countries, including United States, Venezuela, Colombia, India and 25 other countries.
ReferLocal is leading in Finland and Taiwan.