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, Games, Investing, Finance 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, Japan and China.
Slashdot Widget is leading in United Kingdom and Tunisia.