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, Arts & Entertainment and 37 other categories.
Smartify is leading in People & Society, Visual Arts & Design, Photography, Real Estate and 2 other categories.
Opta Widget is leading in most countries, including Spain, United Kingdom, Italy, Australia and 51 other countries.
Smartify is leading in Czech Republic.