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, Video Games, Internet & Telecom, Business & Industry and 19 other categories.
ViralBuzzer is leading in Arts & Entertainment, Humor, Computer & Electronics, Software and one other category.
Optimatic is leading in most countries, including United States, Israel, United Kingdom, Poland and 10 other countries.
ViralBuzzer is leading in France and Spain.