GSI Media is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
ReferLocal has better usage coverage in more websites categories. Including Business & Industry, News & Media, Arts & Entertainment, Tourism and 6 other categories.
GSI Media is leading in Shopping, Internet & Telecom, Children, Clothing and 5 other categories.
GSI Media is leading in most countries, including United States, Canada and Israel.
ReferLocal is leading in Japan.