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UpSellit is leading in Top 100K Sites, Top 1M Sites and The Entire Web.
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Opta Widget is leading in Top 10K Sites.
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UpSellit has better usage coverage in more websites categories. Including Computers Electronics & Technology, Lifestyle, Health, Finance and 16 other categories.
2
Opta Widget is leading in Sports, News & Media, Gambling and Reference Materials.
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UpSellit is leading in most countries, including United States, Australia, Canada, China and 68 other countries.
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Opta Widget is leading in United Kingdom, Italy, Spain, Argentina and 19 other countries.