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, Health, Arts & Entertainment and 27 other categories.
ReferLocal is leading in Business & Industry, News & Media, Tourism, Transportation & Logistics and one other category.
CONTEXTin is leading in most countries, including United States, Brazil, France, India and 6 other countries.
ReferLocal is leading in Japan.