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, Internet & Telecom and 44 other categories.
ViralBuzzer is leading in Arts & Entertainment and Humor.
Optimatic is leading in most countries, including United States, Canada, Israel, Venezuela and 30 other countries.
ViralBuzzer is leading in Czech Republic and Hong Kong.