AdMob is leading in Top 100K Sites and Top 1M Sites.
AdMob has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, Business & Industry and 62 other categories.
ReferLocal hasn't got a lead over AdMob in any websites category.
AdMob is leading in most countries, including Indonesia, Japan, Italy, United States and 52 other countries.
ReferLocal is leading in Israel.