Opta Widget is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
UserReport has better usage coverage in more websites categories. Including Business & Industry, Shopping, People & Society, Arts & Entertainment and 50 other categories.
Opta Widget is leading in Sports, Soccer, News & Media, Newspapers and 10 other categories.
Opta Widget is leading in most countries, including Spain, United Kingdom, Italy, Australia and 38 other countries.
UserReport is leading in Denmark, Sweden, Ukraine, Russia and 15 other countries.