In terms of market share, Echo is clearly lagging behind, losing to Slashdot Widget in all segments.
Echo has better usage coverage in more websites categories. Including News & Media, Science, Games, Investing and 9 other categories.
Slashdot Widget is leading in Internet & Telecom, Shopping, People & Society, Clothing and 7 other categories.
Echo is leading in most countries, including United States, Russia, New Zealand, India and 2 other countries.
Slashdot Widget hasn't got a lead over Echo in any country.