The best website to focus on for buying houses in Guiyang is "Guiyang Real Estate". This platform is widely recognized for its comprehensive listings, user-friendly interface, and extensive coverage of the local real estate market. According to a report by the Guiyang Real Estate Association, "Guiyang Real Estate" has over 90% of the market share in the city, making it the go-to source for potential buyers. The platform offers detailed information on properties, including price, location, property type, and amenities, which is crucial for making informed decisions. Additionally, the website provides valuable resources such as mortgage calculators and legal advice, further enhancing the buying experience.