Opta Widget is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Vicomi has better usage coverage in more websites categories. Including Adult, People & Society, Internet & Telecom, Marketing & Advertising and 25 other categories.
Opta Widget is leading in Sports, Soccer, News & Media, Newspapers and 24 other categories.
Opta Widget is leading in most countries, including Spain, United Kingdom, Italy, Australia and 40 other countries.
Vicomi is leading in Thailand, Rwanda, Israel, Romania and 7 other countries.