Allegiance is leading in Top 100K Sites and Top 1M Sites.
Allegiance has better usage coverage in more websites categories. Including People & Society, Religion & Spirituality, Business & Industry, Finance and 18 other categories.
Echo is leading in Investing, Games, Internet & Telecom, Science and 6 other categories.
Allegiance is leading in most countries, including United States, Brazil, Argentina, Congo Republic and 26 other countries.
Echo hasn't got a lead over Allegiance in any country.