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 49 other categories.
Opta Widget is leading in Sports, Soccer, News & Media, Newspapers and 12 other categories.
Opta Widget is leading in most countries, including Spain, United Kingdom, Italy, Australia and 39 other countries.
UserReport is leading in Denmark, Sweden, Ukraine, Norway and 12 other countries.