OpinionLab is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
OpinionLab has better usage coverage in more websites categories. Including Travel, Business & Industry, Accommodation & Hotels, Shopping and 64 other categories.
tvtag is leading in Arts & Entertainment, People & Society, Music & Audio, Movies and 56 other categories.
OpinionLab is leading in most countries, including United States, United Kingdom, Canada, Germany and 56 other countries.
tvtag is leading in Venezuela, Romania and Peru.