ZDNET's rigorous TV testing process ensures that customers get the best viewing experience. The team tests TVs for various features, including screen sharing, gaming modes, app support, upscaling older media into 4K, and audio quality. They also prioritize accessibility features like high-contrast picture modes and audio descriptions for users with disabilities. Furthermore, ZDNET evaluates smart TV capabilities, such as web connectivity, music and video streaming, and multiple HDMI inputs.

Source: https://www.zdnet.com/home-and-office/home-entertainment/how-we-test-tvs/#ftag=RSSbaffb68