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 40 other categories.
ReferLocal is leading in Newspapers, Transportation & Logistics and Chats & Forums.
Optimatic is leading in most countries, including United States, Algeria, Ukraine, Venezuela and 26 other countries.
ReferLocal is leading in India, Canada and Belarus.