I've bumped into this sentence and I can't work out what "real estate" means in this context. The text talks about websites: "Ad extensions are eye-catching and useful. They provide real estate and also relevant information for potential customers". "Las extensiones de Anuncios son llamativas y muy útiles. Brindan a los consumidores potenciales real estate así como información relevante."
It must be obvious but I can't see it! Any suggestions?