The Manager of the W3C web accessibility evaluation tools said that it is a useful tool Robust: users must be able to access the content as technologies advance. The main rule of the WCAG. Private and government websites are following W3c's WCAG.
Your website is your responsibility. You should paste this new accessibility tool on your websites also for more growth in the world. Our world has multiple languages and different health conditions of the public. Alphabets of domain names are also away from each other. So, 3 billion people can not type website names easily.