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, News & Media, Business & Industry, Internet & Telecom and 38 other categories.
ViralBuzzer is leading in Arts & Entertainment and Humor.
Optimatic is leading in most countries, including United States, India, United Kingdom, Germany and 31 other countries.
ViralBuzzer is leading in Russia.