Integral Ad Science is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
SpecificClick has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Religion & Spirituality and 78 other categories.
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Integral Ad Science is leading in most countries, including United States, United Kingdom, France, Canada and 61 other countries.
SpecificClick is leading in Indonesia, Norway, Philippines, Belarus and 7 other countries.