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 44 other categories.
Smartify is leading in People & Society, Visual Arts & Design, Environment, Search Engine and one other category.
Opta Widget is leading in most countries, including United Kingdom, Spain, Italy, United States and 60 other countries.
Smartify hasn't got a lead over Opta Widget in any country.