CONTEXTin is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
CONTEXTin has better usage coverage in more websites categories. Including Computer & Electronics, Software, Arts & Entertainment, Health and 33 other categories.
ReferLocal is leading in Transportation & Logistics, Chats & Forums, Newspapers and Tourism.
CONTEXTin is leading in most countries, including United States, Brazil, Spain, Canada and 7 other countries.
ReferLocal is leading in Japan.