2
GroupM Server is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
1
GroupM Server has better usage coverage in more websites categories. Including Computers Electronics & Technology, Games, Vehicles, E-commerce & Shopping and 3 other categories.
2
ReferLocal is leading in Pets & Animals and Sports.
1
GroupM Server is leading in most countries, including Poland, United States, Germany, France and 19 other countries.
2
ReferLocal hasn't got a lead over GroupM Server in any country.