AdBrite is leading in Top 100K Sites and Top 1M Sites.
Marchex has better usage coverage in more websites categories. Including Business & Industry, Shopping, Internet & Telecom, Health and 163 other categories.
AdBrite is leading in People & Society, Arts & Entertainment, Adult, Computer & Electronics and 57 other categories.
AdBrite is leading in most countries, including India, United Kingdom, Germany, France and 106 other countries.
Marchex is leading in Canada, United States, China, Ukraine and 52 other countries.