In terms of market share, ReferLocal is clearly lagging behind, losing to Simple AdServer in all segments.
ReferLocal has better usage coverage in more websites categories. Including Business & Industry, News & Media, Newspapers, Travel and 3 other categories.
Simple AdServer is leading in Computer & Electronics, Adult, Web Hosting, Internet & Telecom and one other category.
Simple AdServer is leading in most countries, including Hungary and Serbia.
Simple AdServer is leading in Hungary and Serbia.