CONTEXTin is leading in Top 10K Sites and Top 100K Sites.
CONTEXTin has better usage coverage in more websites categories. Including Computer & Electronics, Software, Health, Products & Shopping and 9 other categories.
ReferLocal is leading in Business & Industry, Newspapers, Travel, Tourism and one other category.
CONTEXTin is leading in most countries, including United States, Spain, Brazil, Canada and 7 other countries.
ReferLocal is leading in India.