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, Video Games, Online and 19 other categories.
Unicast is leading in Performing Arts.
Optimatic is leading in most countries, including United States, United Kingdom, Israel, Canada and 11 other countries.
Unicast hasn't got a lead over Optimatic in any country.