Opta Widget is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Opta Widget has better usage coverage in more websites categories. Including Sports, Soccer, News & Media, Business & Industry and 37 other categories.
Qualifio is leading in Arts & Entertainment, Music & Audio, TV & Video, Shopping and 19 other categories.
Opta Widget is leading in most countries, including United Kingdom, Spain, Italy, United States and 59 other countries.
Qualifio is leading in France, Belgium, Netherlands, Luxembourg and 3 other countries.