Feedbackify is leading in Top 100K Sites and Top 1M Sites.
Feedbackify has better usage coverage in more websites categories. Including Business & Industry, Shopping, Real Estate, Travel and 67 other categories.
Slashdot Widget is leading in Telecommunications, TV & Video, Games and Video Games.
Feedbackify is leading in most countries, including United States, United Kingdom, Netherlands, Australia and 24 other countries.
Slashdot Widget is leading in Indonesia and Romania.