Chinese immigrants may dismiss pathological decline of dementia as part of normal aging (Woo and Mehta, 2017). While the internet may be a source of health information for Chinese immigrants, the quality of online dementia information was lower in Chinese than in English (Tsiang and Woo, 2017). Recent studies have demonstrated feasibility of YouTube videos in disseminating health information to the Chinese-speaking general public (Lam et al., 2017; Zheng and Woo, 2017). Therefore, we evaluated the performance of YouTube in targeting Chinese-speaking individuals in Britain who are in the high risk age group (e.g. aged 55 years and above) of developing dementia.