IDX, VOW, and DDF are the three primary systems that allow Canadian REALTORS® to display MLS listings on their websites. While these terms are often used interchangeably, they serve different purposes, provide different levels of listing access, and operate under different rules established by local real estate boards and the Canadian Real Estate Association (CREA). Understanding how they work is essential when choosing a real estate website platform or deciding how to display MLS listings online.
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