In terms of market share, Repost.us is clearly lagging behind, losing to Slashdot Widget in all segments.
Repost.us has better usage coverage in more websites categories. Including Health, News & Media, Business & Industry, Video Games and 10 other categories.
Slashdot Widget is leading in Internet & Telecom, People & Society, Shopping, Clothing and 8 other categories.
Repost.us is leading in most countries, including United States, Singapore, Russia and New Zealand.
Slashdot Widget hasn't got a lead over Repost.us in any country.