OpinionLab is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Tableau has better usage coverage in more websites categories. Including People & Society, News & Media, Business & Industry, Arts & Entertainment and 90 other categories.
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Tableau is leading in most countries, including United States, United Kingdom, India, Spain and 65 other countries.
OpinionLab is leading in Austria, Belgium, Malaysia, Ireland and 16 other countries.