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 31 other categories.
ReferLocal is leading in News & Media, Transportation & Logistics, Tourism, Newspapers and one other category.
CONTEXTin is leading in most countries, including United States, Spain, Canada, Indonesia and 11 other countries.
ReferLocal is leading in Finland.