Autonomy is leading in Top 10K Sites and Top 100K Sites.
Autonomy has better usage coverage in more websites categories. Including People & Society, Career & Education, Computer & Electronics, Education and 16 other categories.
Echo is leading in News & Media, Science, Internet & Telecom, Games and 9 other categories.
Autonomy is leading in most countries, including Brazil, France, United Kingdom, Korea Republic and 5 other countries.
Echo is leading in New Zealand, Indonesia and Congo Republic.