Interpolls is leading in Top 10K Sites and Top 100K Sites.
Interpolls has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Adult and 27 other categories.
ReferLocal is leading in Business & Industry, Tourism, Marketing & Advertising and Transportation & Logistics.
Interpolls is leading in most countries, including United States, Brazil, Japan, United Kingdom and 10 other countries.
ReferLocal is leading in Germany.