Blueshift is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Zeta Search has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, People & Society, Online Marketing and 20 other categories.
Blueshift is leading in Shopping and Search Engine.
Zeta Search is leading in most countries, including United States and Canada.
Blueshift is leading in United Kingdom.