This list is compiled from among real estate marketplaces and classified sites with a significant c-to-c component. Rankings are based on total monthly visits in September 2021, sourced from SimilarWeb, with international domains aggregated to create a traffic total for one specific brand. For example, monthly visits to all Idealista sites globally have been combined into one total. Pure mobile apps are not included due to the challenges of comparing app usage versus site visits..

Note: Monthly visits to China-based sites are estimated by SimilarWeb, due to the country’s firewalls, and are likely to be higher than shown.

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