AdShuffle is leading in Top 100K Sites and Top 1M Sites.
AdShuffle has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Religion & Spirituality and 49 other categories.
ReferLocal is leading in Travel, Tourism, Transportation & Logistics and Newspapers.
AdShuffle is leading in most countries, including United States, United Kingdom, France, Canada and 15 other countries.
ReferLocal is leading in Japan.